Best intelligent Home security Wireless Digital Doorbell D3903

1) · Suitable for homes, office installed in or outdoors buildings and ships etc.

2) · 25 sounds selectable at either transmitter or receiver

3) · Transmitter uses 1x12V 23A battery (supplied)

4) · 100m operating range

5) · Easy to install

6) · No electrical wires to install

7) · Suitable for Hard of Hearing with Strobe feature

8) · Low power consumption

9). CE certificate

Material:ABS plastic
Power:Receiver 4.5v sender:1*23A
Color:Black white
Type:Wireless digital doorbell

*Although line of site is not required, the maximum range is based on optimal conditions with minimal interference. Wireless range is affected by objects such as walls, trees, etc. Actual range may vary, depending on environment.