The Best Wireless remote doorbell

Powered by kinetic energy, no need battery for both transmitter and receiver Wireless doorbell with multiple receivers, you can choose the number of receivers according to your house area and building structure With bright LED light inside, can be used as a night-light, which is very useful when you need to get up at night Long Range Wireless doorbell, the signal can pass through doors, walls, floors. By adding the number of receivers, you can get longer range Built-in 38 selectable ringtones to suit your needs. Original EU/US/UK Plug of the receiver is available