Main Features:

1. Kinetic battery free push button . 

2. Plug in receiver ;

3.Operating Range: 200M in open air

4. 38 melodies for choosen ;

5. 4-Level Volume Control(25dB-100dB)

6.  LED Indicator for both push button and Chime .

7. Doorbell with plug through function ,it can be charged for other device . 

7. IP56 Waterproof Push Button

8. Auto Learning code, easy to DIY but no interference .

9.one receiver can pair with 8 transmitters , one transmitter can pair many receivers ,no limited .

1. Plug type: EU type and French type  ,

2. Voltage of Receiver: AC 110V ~ 220V

3. Receiver power comsumption :< 0.5W

4. External socket max.1100 Watt . 

5. Working Temperature: -20℃~50℃

6. Frequency: 433.92 MHz

7.Installation methord : Double sticker or screws