Digital wireless doorbell                               

 AC Doorbell Technical Parameters    

1.Working voltage is AC110V-240V                            

2.Operating frequency is 50/60Hz             

3.Power consumption≤2W                   

4.Carrier frequency is 433.92MHz      

5.Transmission power is ≤10mW     

6.Choose 38 string music pieces for the music selections                                          

7.Sound  ≥75dB（1-meter distance test）                                                         

8. Remote control is  40 meters indoors and 300 meters outdoors in a straight line    

9.Volume:3 adjustable volumelevels+ Silent mode