AITENG V018G Life Waterproof Battery-Free Wireless Doorbell, 1 Receiver + 1 x Transmitter, Receiver Distance: 130m, US Plug elebest ABS shell protection is sturdy

ABS shell protection is sturdy and durable

Reads live PCM data stream

Its black oxide finish is good in resisting rust

with high strength and good toughness

Output power: 500W

AITENG V018G Life Waterproof Battery-Free Wireless Doorbell, 1 Receiver + 1 x Transmitter, Receiver Distance: 130m, US Plug elebest ABS shell protection is sturdy1. This is a wireless doorbell, but no more battery needed or worry battery runs out ! By pressing the push button, it converts kinetic energy into an electrical signal to ring your wireless doorbells. So no more worrying your push button runs out of batteries and no more hassling in buying awkward weird batteries to run your push button. You will always be able to hear your doorbells ring! 2. Do not need any battery or power line to charge the