diff --git a/src/main/angular/src/app/api/Device/Device.ts b/src/main/angular/src/app/api/Device/Device.ts
index f357ba7..718bba9 100644
--- a/src/main/angular/src/app/api/Device/Device.ts
+++ b/src/main/angular/src/app/api/Device/Device.ts
@@ -27,4 +27,8 @@ export class Device {
     return device.uuid;
   }
 
+  static equals(a: Device, b: Device): boolean {
+    return a.uuid !== b.uuid;
+  }
+
 }
diff --git a/src/main/angular/src/app/api/Device/DeviceFilter.ts b/src/main/angular/src/app/api/Device/DeviceFilter.ts
index a52546e..265808d 100644
--- a/src/main/angular/src/app/api/Device/DeviceFilter.ts
+++ b/src/main/angular/src/app/api/Device/DeviceFilter.ts
@@ -2,4 +2,10 @@ export class DeviceFilter {
 
   search: string = "";
 
+  stateTrue: boolean = true;
+
+  stateFalse: boolean = true;
+
+  stateNull: boolean = true;
+
 }
diff --git a/src/main/angular/src/app/api/Shutter/Shutter.ts b/src/main/angular/src/app/api/Shutter/Shutter.ts
index 0ec8dda..ed304af 100644
--- a/src/main/angular/src/app/api/Shutter/Shutter.ts
+++ b/src/main/angular/src/app/api/Shutter/Shutter.ts
@@ -27,4 +27,8 @@ export class Shutter {
     return shutter.uuid;
   }
 
+  static equals(a: Shutter, b: Shutter): boolean {
+    return a.uuid !== b.uuid;
+  }
+
 }
diff --git a/src/main/angular/src/app/api/Shutter/ShutterFilter.ts b/src/main/angular/src/app/api/Shutter/ShutterFilter.ts
index b2c8b87..d8e1662 100644
--- a/src/main/angular/src/app/api/Shutter/ShutterFilter.ts
+++ b/src/main/angular/src/app/api/Shutter/ShutterFilter.ts
@@ -2,4 +2,12 @@ export class ShutterFilter {
 
   search: string = "";
 
+  positionOpen: boolean | null = null;
+
+  positionBetween: boolean | null = null;
+
+  positionClosed: boolean | null = null;
+
+  stateNull: boolean | null = null;
+
 }
diff --git a/src/main/angular/src/app/api/Tunable/Tunable.ts b/src/main/angular/src/app/api/Tunable/Tunable.ts
index ce3c142..bc1523a 100644
--- a/src/main/angular/src/app/api/Tunable/Tunable.ts
+++ b/src/main/angular/src/app/api/Tunable/Tunable.ts
@@ -2,6 +2,7 @@ import {Property} from "../Property/Property";
 import {orNull, validateString} from "../common/validators";
 
 export class Tunable {
+
   constructor(
     readonly uuid: string,
     readonly name: string,
@@ -34,4 +35,8 @@ export class Tunable {
     return tunable.uuid;
   }
 
+  static equals(a: Tunable, b: Tunable): boolean {
+    return a.uuid !== b.uuid;
+  }
+
 }
diff --git a/src/main/angular/src/app/api/Tunable/TunableFilter.ts b/src/main/angular/src/app/api/Tunable/TunableFilter.ts
index 9e2bc67..58eb4c0 100644
--- a/src/main/angular/src/app/api/Tunable/TunableFilter.ts
+++ b/src/main/angular/src/app/api/Tunable/TunableFilter.ts
@@ -2,4 +2,10 @@ export class TunableFilter {
 
   search: string = "";
 
+  stateTrue: boolean = true;
+
+  stateFalse: boolean = true;
+
+  stateNull: boolean = true;
+
 }
diff --git a/src/main/angular/src/app/api/common/CrudLiveList.ts b/src/main/angular/src/app/api/common/CrudLiveList.ts
new file mode 100644
index 0000000..adba169
--- /dev/null
+++ b/src/main/angular/src/app/api/common/CrudLiveList.ts
@@ -0,0 +1,42 @@
+import {CrudService} from "./CrudService";
+import {Subscription} from "rxjs";
+
+export class CrudLiveList<ENTITY> extends Subscription {
+
+  private readonly subs: Subscription[] = [];
+
+  unfiltered: ENTITY[] = [];
+
+  filtered: ENTITY[] = [];
+
+  constructor(
+    crudService: CrudService<ENTITY>,
+    readonly equals: (a: ENTITY, b: ENTITY) => boolean,
+    readonly filter: (item: ENTITY) => boolean = _ => true,
+  ) {
+    super(() => {
+      this.subs.forEach(sub => sub.unsubscribe());
+    });
+    crudService.all(list => this.unfiltered = list);
+    this.subs.push(crudService.subscribe(item => this.update(item)));
+  }
+
+  private update(item: ENTITY) {
+    const index = this.unfiltered.findIndex(i => this.equals(i, item));
+    if (index >= 0) {
+      this.unfiltered.splice(index, 1, item);
+    } else {
+      this.unfiltered.push(item);
+    }
+    this.filtered = this.unfiltered.filter(this.filter);
+  }
+
+  get hasUnfiltered(): boolean {
+    return this.unfiltered.length > 0;
+  }
+
+  get hasFiltered(): boolean {
+    return this.filtered.length > 0;
+  }
+
+}
diff --git a/src/main/angular/src/app/api/common/CrudService.ts b/src/main/angular/src/app/api/common/CrudService.ts
index 83c6319..e2dd345 100644
--- a/src/main/angular/src/app/api/common/CrudService.ts
+++ b/src/main/angular/src/app/api/common/CrudService.ts
@@ -13,6 +13,10 @@ export abstract class CrudService<ENTITY> {
     //
   }
 
+  all(next: Next<ENTITY[]>) {
+    this.getList(['list'], next);
+  }
+
   subscribe(next: Next<ENTITY>): Subscription {
     return this.api.subscribe([...this.path], this.fromJson, next);
   }
@@ -48,5 +52,4 @@ export abstract class CrudService<ENTITY> {
   protected postPage(path: any[], data: any, next?: Next<Page<ENTITY>>): void {
     this.api.postPage([...this.path, ...path], data, this.fromJson, next);
   }
-
 }
diff --git a/src/main/angular/src/app/app.component.html b/src/main/angular/src/app/app.component.html
index f56d361..5625b3e 100644
--- a/src/main/angular/src/app/app.component.html
+++ b/src/main/angular/src/app/app.component.html
@@ -1,7 +1,8 @@
 <div class="flexBox">
   <div class="flexBoxFixed menu">
+    <div class="item itemLeft" routerLink="Dashboard" routerLinkActive="active">Dash</div>
     <div class="item itemLeft" routerLink="DeviceList" routerLinkActive="active">Geräte</div>
-    <div class="item itemLeft" routerLink="TunableList" routerLinkActive="active">Licht</div>
+    <div class="item itemLeft" routerLink="TunableList" routerLinkActive="active">Lichter</div>
     <div class="item itemLeft" routerLink="ShutterList" routerLinkActive="active">Rollläden</div>
     <div class="item itemRight" routerLink="GroupList" routerLinkActive="active">KNX</div>
   </div>
@@ -11,7 +12,7 @@
 </div>
 
 <div id="notConnected" *ngIf="apiService.websocketError">
-  <div>
+  <div class="text">
     Nicht verbunden
   </div>
 </div>
diff --git a/src/main/angular/src/app/app.component.less b/src/main/angular/src/app/app.component.less
index 7550b82..5426eb1 100644
--- a/src/main/angular/src/app/app.component.less
+++ b/src/main/angular/src/app/app.component.less
@@ -34,7 +34,7 @@
   border: @space solid red;
   color: red;
 
-  div {
+  .text {
     text-align: center;
     margin: auto;
     font-size: 200%;
diff --git a/src/main/angular/src/app/app.routes.ts b/src/main/angular/src/app/app.routes.ts
index 5466694..29dbfbe 100644
--- a/src/main/angular/src/app/app.routes.ts
+++ b/src/main/angular/src/app/app.routes.ts
@@ -3,11 +3,13 @@ import {KnxGroupListPageComponent} from './pages/knx-group-list-page/knx-group-l
 import {DeviceListPageComponent} from './pages/device-list-page/device-list-page.component';
 import {ShutterListPageComponent} from './pages/shutter-list-page/shutter-list-page.component';
 import {TunableListPageComponent} from './pages/tunable-list-page/tunable-list-page.component';
+import {DashboardComponent} from './pages/dashboard/dashboard.component';
 
 export const routes: Routes = [
+  {path: 'Dashboard', component: DashboardComponent},
   {path: 'DeviceList', component: DeviceListPageComponent},
   {path: 'TunableList', component: TunableListPageComponent},
   {path: 'ShutterList', component: ShutterListPageComponent},
   {path: 'GroupList', component: KnxGroupListPageComponent},
-  {path: '**', redirectTo: 'GroupList'},
+  {path: '**', redirectTo: 'Dashboard'},
 ];
diff --git a/src/main/angular/src/app/pages/dashboard/dashboard.component.html b/src/main/angular/src/app/pages/dashboard/dashboard.component.html
new file mode 100644
index 0000000..9e7fb27
--- /dev/null
+++ b/src/main/angular/src/app/pages/dashboard/dashboard.component.html
@@ -0,0 +1,21 @@
+<div class="verticalScroll">
+
+  <div class="subheading">
+    Eingeschaltete Geräte:
+    {{ deviceList.filtered.length }}
+  </div>
+  <app-device-list [list]="deviceList.filtered"></app-device-list>
+
+  <div class="subheading">
+    Eingeschaltete Lichter:
+    {{ tunableList.filtered.length }}
+  </div>
+  <app-tunable-list [list]="tunableList.filtered"></app-tunable-list>
+
+  <div class="subheading">
+    {{ shutterSubheading }} Rollläden:
+    {{ shutterList.filtered.length }}
+  </div>
+  <app-shutter-list [list]="shutterList.filtered"></app-shutter-list>
+
+</div>
diff --git a/src/main/angular/src/app/pages/dashboard/dashboard.component.less b/src/main/angular/src/app/pages/dashboard/dashboard.component.less
new file mode 100644
index 0000000..35804d8
--- /dev/null
+++ b/src/main/angular/src/app/pages/dashboard/dashboard.component.less
@@ -0,0 +1,7 @@
+@import "../../../config";
+
+.subheading {
+  font-size: 65%;
+  font-style: italic;
+  color: gray;
+}
diff --git a/src/main/angular/src/app/pages/dashboard/dashboard.component.ts b/src/main/angular/src/app/pages/dashboard/dashboard.component.ts
new file mode 100644
index 0000000..5e964ee
--- /dev/null
+++ b/src/main/angular/src/app/pages/dashboard/dashboard.component.ts
@@ -0,0 +1,76 @@
+import {Component, OnDestroy, OnInit} from '@angular/core';
+import {DeviceService} from '../../api/Device/device.service';
+import {TunableService} from '../../api/Tunable/tunable.service';
+import {Device} from '../../api/Device/Device';
+import {Tunable} from '../../api/Tunable/Tunable';
+import {Shutter} from '../../api/Shutter/Shutter';
+import {ShutterService} from '../../api/Shutter/shutter.service';
+import {DeviceListComponent} from '../../shared/device-list/device-list.component';
+import {FormsModule} from '@angular/forms';
+import {CrudLiveList} from '../../api/common/CrudLiveList';
+import {TunableListComponent} from '../../shared/tunable-list/tunable-list.component';
+import {ShutterListComponent} from '../../shared/shutter-list/shutter-list.component';
+import {Subscription, timer} from 'rxjs';
+
+@Component({
+  selector: 'app-dashboard',
+  standalone: true,
+  imports: [
+    DeviceListComponent,
+    FormsModule,
+    TunableListComponent,
+    ShutterListComponent,
+  ],
+  templateUrl: './dashboard.component.html',
+  styleUrl: './dashboard.component.less'
+})
+export class DashboardComponent implements OnInit, OnDestroy {
+
+  protected deviceList!: CrudLiveList<Device>;
+
+  protected tunableList!: CrudLiveList<Tunable>;
+
+  protected shutterList!: CrudLiveList<Shutter>;
+
+  protected now: Date = new Date();
+
+  private subs: Subscription[] = [];
+
+  protected shutterSubheading: string = "";
+
+  protected shuttersShouldBeOpen: boolean = false;
+
+  constructor(
+    protected readonly deviceService: DeviceService,
+    protected readonly tunableService: TunableService,
+    protected readonly shutterService: ShutterService,
+  ) {
+  }
+
+  ngOnInit(): void {
+    this.newDate();
+    this.subs.push(timer(5000, 5000).subscribe(() => this.newDate()));
+    this.subs.push(this.deviceList = new CrudLiveList(this.deviceService, Device.equals, device => device.stateProperty?.state?.value === true));
+    this.subs.push(this.tunableList = new CrudLiveList(this.tunableService, Tunable.equals, tunable => tunable.stateProperty?.state?.value === true));
+    this.subs.push(this.shutterList = new CrudLiveList(this.shutterService, Shutter.equals, shutter => this.shutterFilter(shutter)));
+  }
+
+  private newDate() {
+    this.now = new Date();
+    this.shuttersShouldBeOpen = this.now.getHours() >= 7 && this.now.getHours() < 16;
+    this.shutterSubheading = this.shuttersShouldBeOpen ? "Geschlossene" : "Offene";
+  }
+
+  ngOnDestroy(): void {
+    this.subs.forEach(sub => sub.unsubscribe());
+  }
+
+  private shutterFilter(shutter: Shutter) {
+    if (this.shuttersShouldBeOpen) {
+      return shutter.positionProperty?.state?.value !== 0;
+    } else {
+      return shutter.positionProperty?.state?.value !== 100;
+    }
+  }
+
+}
diff --git a/src/main/angular/src/app/pages/device-list-page/device-list-page.component.html b/src/main/angular/src/app/pages/device-list-page/device-list-page.component.html
index 103ffac..803a3d9 100644
--- a/src/main/angular/src/app/pages/device-list-page/device-list-page.component.html
+++ b/src/main/angular/src/app/pages/device-list-page/device-list-page.component.html
@@ -2,7 +2,7 @@
   <div class="flexBoxFixed">
     <input type="text" [(ngModel)]="filter.search" (ngModelChange)="fetchDelayed()" placeholder="Suchen...">
   </div>
-  <div class="flexBoxRest">
-    <app-device-list [deviceList]="deviceList"></app-device-list>
+  <div class="flexBoxRest verticalScroll">
+    <app-device-list [list]="deviceList"></app-device-list>
   </div>
 </div>
diff --git a/src/main/angular/src/app/pages/knx-group-list-page/knx-group-list-page.component.html b/src/main/angular/src/app/pages/knx-group-list-page/knx-group-list-page.component.html
index 1ec261d..a5c3c4a 100644
--- a/src/main/angular/src/app/pages/knx-group-list-page/knx-group-list-page.component.html
+++ b/src/main/angular/src/app/pages/knx-group-list-page/knx-group-list-page.component.html
@@ -2,7 +2,7 @@
   <div class="flexBoxFixed">
     <input type="text" [(ngModel)]="filter.search" (ngModelChange)="fetchDelayed()" placeholder="Suchen...">
   </div>
-  <div class="flexBoxRest">
+  <div class="flexBoxRest verticalScroll">
     <app-knx-group-list [groupList]="groupList"></app-knx-group-list>
   </div>
 </div>
diff --git a/src/main/angular/src/app/pages/shutter-list-page/shutter-list-page.component.html b/src/main/angular/src/app/pages/shutter-list-page/shutter-list-page.component.html
index b5cc55c..fb20acd 100644
--- a/src/main/angular/src/app/pages/shutter-list-page/shutter-list-page.component.html
+++ b/src/main/angular/src/app/pages/shutter-list-page/shutter-list-page.component.html
@@ -2,7 +2,7 @@
   <div class="flexBoxFixed">
     <input type="text" [(ngModel)]="filter.search" (ngModelChange)="fetchDelayed()" placeholder="Suchen...">
   </div>
-  <div class="flexBoxRest">
-    <app-shutter-list [shutterList]="shutterList"></app-shutter-list>
+  <div class="flexBoxRest verticalScroll">
+    <app-shutter-list [list]="shutterList"></app-shutter-list>
   </div>
 </div>
diff --git a/src/main/angular/src/app/pages/tunable-list-page/tunable-list-page.component.html b/src/main/angular/src/app/pages/tunable-list-page/tunable-list-page.component.html
index e256d68..868a31d 100644
--- a/src/main/angular/src/app/pages/tunable-list-page/tunable-list-page.component.html
+++ b/src/main/angular/src/app/pages/tunable-list-page/tunable-list-page.component.html
@@ -2,7 +2,7 @@
   <div class="flexBoxFixed">
     <input type="text" [(ngModel)]="filter.search" (ngModelChange)="fetchDelayed()" placeholder="Suchen...">
   </div>
-  <div class="flexBoxRest">
-    <app-tunable-list [tunableList]="tunableList"></app-tunable-list>
+  <div class="flexBoxRest verticalScroll">
+    <app-tunable-list [list]="tunableList"></app-tunable-list>
   </div>
 </div>
diff --git a/src/main/angular/src/app/shared/checkbox/checkbox.component.html b/src/main/angular/src/app/shared/checkbox/checkbox.component.html
new file mode 100644
index 0000000..4c56dbb
--- /dev/null
+++ b/src/main/angular/src/app/shared/checkbox/checkbox.component.html
@@ -0,0 +1,9 @@
+<div class="all" (click)="toggle()">
+  <div class="box">
+    <div class="TRUE" *ngIf="model">{{ labelTrue }}</div>
+    <div class="FALSE" *ngIf="!model">{{ labelFalse }}</div>
+  </div>
+  <div class="label" *ngIf="label">
+    {{ label }}
+  </div>
+</div>
diff --git a/src/main/angular/src/app/shared/checkbox/checkbox.component.less b/src/main/angular/src/app/shared/checkbox/checkbox.component.less
new file mode 100644
index 0000000..d3f450c
--- /dev/null
+++ b/src/main/angular/src/app/shared/checkbox/checkbox.component.less
@@ -0,0 +1,15 @@
+@import '../../../config';
+
+.all {
+  white-space: nowrap;
+
+  .box {
+    float: left;
+    width: 1.5em;
+    aspect-ratio: 1;
+    margin-right: @space;
+    text-align: center;
+    border: @border solid gray;
+  }
+
+}
diff --git a/src/main/angular/src/app/shared/checkbox/checkbox.component.ts b/src/main/angular/src/app/shared/checkbox/checkbox.component.ts
new file mode 100644
index 0000000..54aa8ee
--- /dev/null
+++ b/src/main/angular/src/app/shared/checkbox/checkbox.component.ts
@@ -0,0 +1,35 @@
+import {Component, EventEmitter, Input, Output} from '@angular/core';
+import {NgIf} from '@angular/common';
+
+@Component({
+  selector: 'app-checkbox',
+  standalone: true,
+  imports: [
+    NgIf
+  ],
+  templateUrl: './checkbox.component.html',
+  styleUrl: './checkbox.component.less'
+})
+export class CheckboxComponent {
+
+  @Input()
+  label: string = '';
+
+  @Input()
+  labelFalse: string = '';
+
+  @Input()
+  labelTrue: string = 'X';
+
+  @Input()
+  model!: boolean;
+
+  @Output()
+  modelChange: EventEmitter<boolean | null> = new EventEmitter();
+
+  toggle() {
+    this.model = !this.model;
+    this.modelChange.emit(this.model);
+  }
+
+}
diff --git a/src/main/angular/src/app/shared/device-list/device-list.component.html b/src/main/angular/src/app/shared/device-list/device-list.component.html
index ca414fb..ea4b1b1 100644
--- a/src/main/angular/src/app/shared/device-list/device-list.component.html
+++ b/src/main/angular/src/app/shared/device-list/device-list.component.html
@@ -1,6 +1,6 @@
 <div class="deviceList tileContainer">
 
-  <div class="tile" *ngFor="let device of deviceList; trackBy: Device.trackBy">
+  <div class="tile" *ngFor="let device of list; trackBy: Device.trackBy">
 
     <div class="device tileInner" [ngClass]="ngClass(device)">
 
@@ -9,8 +9,8 @@
       </div>
 
       <div class="actions">
-        <div class="switchOn" (click)="deviceService.setState(device, true)"></div>
-        <div class="switchOff" (click)="deviceService.setState(device, false)"></div>
+        <div class="action switchOn" (click)="deviceService.setState(device, true)"></div>
+        <div class="action switchOff" (click)="deviceService.setState(device, false)"></div>
       </div>
 
       <div class="timestamp details">
diff --git a/src/main/angular/src/app/shared/device-list/device-list.component.less b/src/main/angular/src/app/shared/device-list/device-list.component.less
index b1287fc..58263fc 100644
--- a/src/main/angular/src/app/shared/device-list/device-list.component.less
+++ b/src/main/angular/src/app/shared/device-list/device-list.component.less
@@ -1,8 +1,6 @@
 @import "../../../config";
 
 .deviceList {
-  overflow-y: auto;
-  height: 100%;
 
   .device {
 
@@ -19,7 +17,7 @@
     .actions {
       float: right;
 
-      div {
+      .action  {
         float: left;
         margin-left: @space;
         width: 4em;
diff --git a/src/main/angular/src/app/shared/device-list/device-list.component.ts b/src/main/angular/src/app/shared/device-list/device-list.component.ts
index d1c5037..0fe00af 100644
--- a/src/main/angular/src/app/shared/device-list/device-list.component.ts
+++ b/src/main/angular/src/app/shared/device-list/device-list.component.ts
@@ -25,7 +25,7 @@ export class DeviceListComponent implements OnInit, OnDestroy {
   protected now: Date = new Date();
 
   @Input()
-  deviceList: Device[] = [];
+  list: Device[] = [];
 
   constructor(
     protected readonly deviceService: DeviceService,
diff --git a/src/main/angular/src/app/shared/knx-group-list/knx-group-list.component.less b/src/main/angular/src/app/shared/knx-group-list/knx-group-list.component.less
index b7b7eeb..fe7d093 100644
--- a/src/main/angular/src/app/shared/knx-group-list/knx-group-list.component.less
+++ b/src/main/angular/src/app/shared/knx-group-list/knx-group-list.component.less
@@ -1,8 +1,6 @@
 @import "../../../config";
 
 .groupList {
-  overflow-y: auto;
-  height: 100%;
 
   .group {
 
diff --git a/src/main/angular/src/app/shared/shutter-list/shutter-list.component.html b/src/main/angular/src/app/shared/shutter-list/shutter-list.component.html
index c6dc03f..afca00c 100644
--- a/src/main/angular/src/app/shared/shutter-list/shutter-list.component.html
+++ b/src/main/angular/src/app/shared/shutter-list/shutter-list.component.html
@@ -1,6 +1,6 @@
 <div class="shutterList tileContainer">
 
-  <div class="tile" *ngFor="let shutter of shutterList; trackBy: Shutter.trackBy">
+  <div class="tile" *ngFor="let shutter of list; trackBy: Shutter.trackBy">
 
     <div class="shutter tileInner">
 
diff --git a/src/main/angular/src/app/shared/shutter-list/shutter-list.component.less b/src/main/angular/src/app/shared/shutter-list/shutter-list.component.less
index ed2051e..4102efb 100644
--- a/src/main/angular/src/app/shared/shutter-list/shutter-list.component.less
+++ b/src/main/angular/src/app/shared/shutter-list/shutter-list.component.less
@@ -1,8 +1,6 @@
 @import "../../../config";
 
 .shutterList {
-  overflow-y: auto;
-  height: 100%;
 
   .shutter {
 
@@ -26,7 +24,7 @@
       clear: right;
       float: right;
 
-      div {
+      .action {
         float: left;
         margin-left: @space;
         width: 3em;
diff --git a/src/main/angular/src/app/shared/shutter-list/shutter-list.component.ts b/src/main/angular/src/app/shared/shutter-list/shutter-list.component.ts
index 9255641..a5a4bd4 100644
--- a/src/main/angular/src/app/shared/shutter-list/shutter-list.component.ts
+++ b/src/main/angular/src/app/shared/shutter-list/shutter-list.component.ts
@@ -26,7 +26,7 @@ export class ShutterListComponent implements OnInit, OnDestroy {
   protected now: Date = new Date();
 
   @Input()
-  shutterList: Shutter[] = [];
+  list: Shutter[] = [];
 
   constructor(
     protected readonly shutterService: ShutterService,
diff --git a/src/main/angular/src/app/shared/tristate/tristate.component.html b/src/main/angular/src/app/shared/tristate/tristate.component.html
new file mode 100644
index 0000000..6938981
--- /dev/null
+++ b/src/main/angular/src/app/shared/tristate/tristate.component.html
@@ -0,0 +1,10 @@
+<div class="all" (click)="toggle()">
+  <div class="box">
+    <div class="FALSE" *ngIf="model === false">{{labelFalse}}</div>
+    <div class="TRUE" *ngIf="model === true">{{labelTrue}}</div>
+    <div class="NULL" *ngIf="model === null">{{labelNull}}</div>
+  </div>
+  <div class="label" *ngIf="label">
+    {{ label }}
+  </div>
+</div>
diff --git a/src/main/angular/src/app/shared/tristate/tristate.component.less b/src/main/angular/src/app/shared/tristate/tristate.component.less
new file mode 100644
index 0000000..d3f450c
--- /dev/null
+++ b/src/main/angular/src/app/shared/tristate/tristate.component.less
@@ -0,0 +1,15 @@
+@import '../../../config';
+
+.all {
+  white-space: nowrap;
+
+  .box {
+    float: left;
+    width: 1.5em;
+    aspect-ratio: 1;
+    margin-right: @space;
+    text-align: center;
+    border: @border solid gray;
+  }
+
+}
diff --git a/src/main/angular/src/app/shared/tristate/tristate.component.ts b/src/main/angular/src/app/shared/tristate/tristate.component.ts
new file mode 100644
index 0000000..efc936a
--- /dev/null
+++ b/src/main/angular/src/app/shared/tristate/tristate.component.ts
@@ -0,0 +1,44 @@
+import {Component, EventEmitter, Input, Output} from '@angular/core';
+import {NgIf} from '@angular/common';
+
+@Component({
+  selector: 'app-tristate',
+  standalone: true,
+  imports: [
+    NgIf
+  ],
+  templateUrl: './tristate.component.html',
+  styleUrl: './tristate.component.less'
+})
+export class TristateComponent {
+
+  @Input()
+  label: string = '';
+
+  @Input()
+  labelFalse: string = 'J';
+
+  @Input()
+  labelTrue: string = 'N';
+
+  @Input()
+  labelNull: string = '';
+
+  @Input()
+  model: boolean | null = null;
+
+  @Output()
+  modelChange: EventEmitter<boolean | null> = new EventEmitter();
+
+  toggle() {
+    if (this.model === true) {
+      this.model = false;
+    } else if (this.model === false) {
+      this.model = null;
+    } else {
+      this.model = true;
+    }
+    this.modelChange.emit(this.model);
+  }
+
+}
diff --git a/src/main/angular/src/app/shared/tunable-list/tunable-list.component.html b/src/main/angular/src/app/shared/tunable-list/tunable-list.component.html
index 996d333..9c22ff2 100644
--- a/src/main/angular/src/app/shared/tunable-list/tunable-list.component.html
+++ b/src/main/angular/src/app/shared/tunable-list/tunable-list.component.html
@@ -1,6 +1,6 @@
 <div class="tunableList tileContainer">
 
-  <div *ngFor="let tunable of tunableList; trackBy: Tunable.trackBy" class="tile">
+  <div *ngFor="let tunable of list; trackBy: Tunable.trackBy" class="tile">
 
     <div [ngClass]="ngClass(tunable)" class="tunable tileInner">
 
diff --git a/src/main/angular/src/app/shared/tunable-list/tunable-list.component.less b/src/main/angular/src/app/shared/tunable-list/tunable-list.component.less
index 6a1e25b..d15b542 100644
--- a/src/main/angular/src/app/shared/tunable-list/tunable-list.component.less
+++ b/src/main/angular/src/app/shared/tunable-list/tunable-list.component.less
@@ -1,8 +1,6 @@
 @import "../../../config";
 
 .tunableList {
-  overflow-y: auto;
-  height: 100%;
 
   .tunable {
 
diff --git a/src/main/angular/src/app/shared/tunable-list/tunable-list.component.ts b/src/main/angular/src/app/shared/tunable-list/tunable-list.component.ts
index 07b685f..86407bf 100644
--- a/src/main/angular/src/app/shared/tunable-list/tunable-list.component.ts
+++ b/src/main/angular/src/app/shared/tunable-list/tunable-list.component.ts
@@ -21,7 +21,7 @@ import {FormsModule} from '@angular/forms';
 export class TunableListComponent implements OnInit, OnDestroy {
 
   @Input()
-  tunableList: Tunable[] = [];
+  list: Tunable[] = [];
 
   protected readonly Tunable = Tunable;
 
diff --git a/src/main/angular/src/config.less b/src/main/angular/src/config.less
index c9d004d..c79c629 100644
--- a/src/main/angular/src/config.less
+++ b/src/main/angular/src/config.less
@@ -61,6 +61,11 @@
 
 }
 
+.verticalScroll {
+  height: 100%;
+  overflow-y: auto;
+}
+
 @media (min-width: 1000px) {
 
   .tileContainer {
diff --git a/src/main/java/de/ph87/home/device/DeviceFilter.java b/src/main/java/de/ph87/home/device/DeviceFilter.java
index 36ff93b..9ab3f79 100644
--- a/src/main/java/de/ph87/home/device/DeviceFilter.java
+++ b/src/main/java/de/ph87/home/device/DeviceFilter.java
@@ -3,7 +3,6 @@ package de.ph87.home.device;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.ph87.home.common.crud.AbstractSearchFilter;
 import de.ph87.home.property.PropertyTypeMismatch;
-import jakarta.annotation.Nullable;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.ToString;
@@ -12,27 +11,24 @@ import lombok.ToString;
 @ToString
 public class DeviceFilter extends AbstractSearchFilter {
 
-  @Nullable
   @JsonProperty
-  private Boolean stateNull;
+  private boolean stateNull;
 
-  @Nullable
   @JsonProperty
-  private Boolean stateTrue;
+  private boolean stateTrue;
 
-  @Nullable
   @JsonProperty
-  private Boolean stateFalse;
+  private boolean stateFalse;
 
   public boolean filter(@NonNull final DeviceDto dto) throws PropertyTypeMismatch {
-    if (stateNull != null && stateNull != (dto.getStateProperty() == null)) {
-      return false;
-    }
     final Boolean value = dto.getStateValue();
-    if (stateTrue != null && (value == null || stateTrue != value)) {
+    if (!stateNull && value == null) {
       return false;
     }
-    if (stateFalse != null && (value == null || stateFalse == value)) {
+    if (!stateTrue && Boolean.TRUE.equals(value)) {
+      return false;
+    }
+    if (!stateFalse == Boolean.FALSE.equals(value)) {
       return false;
     }
     return search(dto.getName());
diff --git a/src/main/java/de/ph87/home/tunable/TunableFilter.java b/src/main/java/de/ph87/home/tunable/TunableFilter.java
index 1204705..558cb8c 100644
--- a/src/main/java/de/ph87/home/tunable/TunableFilter.java
+++ b/src/main/java/de/ph87/home/tunable/TunableFilter.java
@@ -3,7 +3,6 @@ package de.ph87.home.tunable;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.ph87.home.common.crud.AbstractSearchFilter;
 import de.ph87.home.property.PropertyTypeMismatch;
-import jakarta.annotation.Nullable;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.ToString;
@@ -12,27 +11,24 @@ import lombok.ToString;
 @ToString
 public class TunableFilter extends AbstractSearchFilter {
 
-  @Nullable
   @JsonProperty
-  private Boolean stateNull;
+  private boolean stateNull;
 
-  @Nullable
   @JsonProperty
-  private Boolean stateTrue;
+  private boolean stateTrue;
 
-  @Nullable
   @JsonProperty
-  private Boolean stateFalse;
+  private boolean stateFalse;
 
   public boolean filter(@NonNull final TunableDto dto) throws PropertyTypeMismatch {
-    if (stateNull != null && stateNull != (dto.getStateProperty() == null)) {
-      return false;
-    }
     final Boolean value = dto.getStateValue();
-    if (stateTrue != null && (value == null || stateTrue != value)) {
+    if (!stateNull && value == null) {
       return false;
     }
-    if (stateFalse != null && (value == null || stateFalse == value)) {
+    if (!stateTrue && Boolean.TRUE.equals(value)) {
+      return false;
+    }
+    if (!stateFalse == Boolean.FALSE.equals(value)) {
       return false;
     }
     return search(dto.getName());