Self-Powered Wireless Doorbell, Waterproof Door Chime Kit, No Battery Required, with extra usb ports…See more

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.with Extra usb ports and type-c ports Waterproof Doorbell: IP67 Rated transmitter with a waterproof ring structure, operating between 14°F and 122°F, withstands tough weather conditions.

58 Ringtones & 4-Level Volume: 58 different CD-quality sound tunes, 5 levels of adjustable volume from 65dB to 90dB, memory function for volume and chime selection.

Long Working Distance: This wireless doorbell features up to 1300ft wireless range, ensuring you won't miss a visitor, even if you are a few rooms away or on another floor.