diff --git a/src/AItem.js b/src/AItem.js
new file mode 100644
index 0000000..8008335
--- /dev/null
+++ b/src/AItem.js
@@ -0,0 +1,12 @@
+class AItem {
+    constructor(floor, room, item) {
+        this.floor = floor;
+        this.room = room;
+        this.item = item;
+        this.itemId = `${this.floor}.${this.room}.${this.item}`;
+        this.topicFirstPart = `dispatcher_ng/items/${this.floor}/${this.room}/${this.item}`;
+    }
+}
+
+module.exports = AItem;
+
diff --git a/src/homematicDimmerItem.js b/src/homematicDimmerItem.js
index f6a7b4f..f534653 100644
--- a/src/homematicDimmerItem.js
+++ b/src/homematicDimmerItem.js
@@ -1,15 +1,15 @@
 let logger = require('./log');
 let mqtt = require('./mqttHandler');
+let AItem = require('./AItem')
 
 
-
-class HomematicDimmerItem {
-    constructor(itemId, actionTopic) {
-        this.itemId = itemId;
-        this.stateTopic = `dispatcher_ng/items/${this.itemId}/state`;
-        this.brightTopic = `dispatcher_ng/items/${this.itemId}/bright`;
-        this.stateFeedbackTopic = `dispatcher_ng/items/${this.itemId}/state/feedback`;
-        this.brightFeedbackTopic = `dispatcher_ng/items/${this.itemId}/bright/feedback`;
+class HomematicDimmerItem extends AItem {
+    constructor(floor, room, item, actionTopic) {
+        super(floor, room, item);
+        this.stateTopic = `${this.topicFirstPart}/state`;
+        this.brightTopic = `${this.topicFirstPart}/bright`;
+        this.stateFeedbackTopic = `${this.topicFirstPart}/state/feedback`;
+        this.brightFeedbackTopic = `${this.topicFirstPart}/bright/feedback`;
         this.actionTopic = actionTopic;
         this.state = 'OFF';
         this.oldState = undefined;
diff --git a/src/m433SwitchItem.js b/src/m433SwitchItem.js
new file mode 100644
index 0000000..14b25f7
--- /dev/null
+++ b/src/m433SwitchItem.js
@@ -0,0 +1,37 @@
+let logger = require('./log');
+let mqtt = require('./mqttHandler');
+let AItem = require('./AItem');
+
+
+class M433SwitchItem extends AItem {
+    constructor(floor, room, item, onCode, offCode) {
+        super(floor, room, item);
+        this.stateTopic = `${this.topicFirstPart}/state`;
+        this.stateFeedbackTopic = `${this.topicFirstPart}/state/feedback`;
+        this.actionTopic = 'IoT/Mqtt433Gateway/Message';
+        this.state = 'OFF';
+        this.oldState = undefined;
+        this.onCode = onCode;
+        this.offCode = offCode;
+    }
+
+    start() {
+        mqtt.register([this.stateTopic], (topic, payload) => {
+            payload = payload.toString('UTF-8');
+            logger.info(`item ${this.itemId}: ${topic}, ${payload}`)
+            this.state = payload;
+            mqtt.send(this.stateFeedbackTopic, this.state);
+            if (this.state != this.oldState) {                
+                if (this.state == 'ON') {
+                    mqtt.send(this.actionTopic, this.onCode);
+                } else {
+                    mqtt.send(this.actionTopic, this.offCode);
+                }
+                this.oldState = this.state;
+            }
+        });
+    }
+}
+
+module.exports = M433SwitchItem;
+
diff --git a/src/main.js b/src/main.js
index 9c16c03..c9f6ddf 100644
--- a/src/main.js
+++ b/src/main.js
@@ -7,8 +7,16 @@ logger.info("Hello world!");
 require('./item1');
 
 let homematicDimmerItemClass = require('./homematicDimmerItem');
+let m433SwitchItem = require('./m433SwitchItem');
 
-let item2 = new homematicDimmerItemClass(2, 'homegear/instance1/items/8/state');
+let item2 = new homematicDimmerItemClass('Gnd', 'Hallway', 'Testlight', 'homegear/instance1/items/8/state');
 item2.start();
 
+let aquariumLight = new m433SwitchItem('1st', 'Anna', 'AquariumLight', '14665044 24 1', '14665041 24 1');
+aquariumLight.start();
+
+let deskLight = new m433SwitchItem('Gnd', 'Hallway', 'DeskLight', '83221 24 1', '83220 24 1');
+deskLight.start();
+
+
 mqtt.start();