Wireless doorbell home new long-distance remote control old pager Intelligent exchange doorbell

• Model: A10

• Working range: 300m open space

• Transmitter size: 75mm x 51mm x 20mm

• Receiver size: 95mm x 65mm x 24mm

• black/whiteA:One button two receivers

•  
black/whiteB:
One button three receivers

•  
black/whiteC:
Three buttons two receivers

The receiver plugs into the socket.

3 types of integrated plugs (EU / UK / USA).