W212 compact wireless doorbells

Advent Batteryless, safe and economical wireless doorbell, no need any wiring in the wall.Products passed quality certification that meets worldwide standard: CE certificate & ROHS certificate.

- Battery-operated wireless doorbell with battery bell push button.       
- Acrylics (PMMA) plate and LED indicators, eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, hearing-impaired people.               

-  It's long range wireless doorbell kit, operating range up to 150 metres on open air.                          
- 32 sounds selectable on chime,4 level volume adjustable.
- Self learning feature avoid any interference.
- Transimtter is power by CR2032 battery, receiver is power by 3*1.5V AA battery.                                                                          - Easy install: you can stick the transmitter anywhere at will. And insert 3*1.5V AAA battery into the receiver, then it's ready to go.                                                                                    -

- Expandable: You can expand each receiver with up to 4 additional push buttons or multiple receivers for one button.             

- Memory function: If powered off, it can record the seeting last time (music, volume)