TECKNET Self-Powered Doorbell, Wireless Doorbell

Self-Powered Doorbell: No batteries required for Both transmitter (push button) and receiver. When the transmitter is pressed, it generates electric power itself and sends stable signal to receiver.

Unique Plug Through Door Chime Kit: Plug through socket enables use of the socket for other devices. Plug it into your wall socket and then plug appliances into it as normal.

Waterproof Doorbell: IP44 Rated transmitter with waterproof ring structure, could work between 14°F to 122°F, withstands tough weather conditions.

32 Ringtones & 5-Level Volume: 32 different CD-quality sound tunes, 5 levels of adjustable volume from 25dB to 85dB, memory function for sound and chime selection.

Long Working Distance: Wireless doorbell features up to 150m/492ft wireless range, ensures you won't miss a visitor, even if you are a few rooms away or on another floor.