Wireless Doorbell US EU Plug 1000ft/300M Remote Door Bells Cordless Door Chime Kit 36 Chimes Adjustable Volume For Home Office

Technical Parameters:

Receiver working voltage: AC100-240V 50HZ/60HZ

Receiver power consumption: 0.5W

Working frequency: 433MHz

Transmitter power consumption: <10mw (spectrum analyzer antenna combined test, CE limit)

Transmitter battery: 12V23A alkaline battery

Battery life: estimated 20 times per day, about 1 year

Volume adjustable range: 25-85dB (tested at 0.5 meters with decibel meter)

Wireless distance: about 280 meters in the open air, about 20-50 meters indoors with obstacles

Note: The wireless distance is affected by walls, radios, metals, etc. It is normal to have certain deviations in actual use. Packing List:

-1 Set Wireless Doorbell