kerui m525 wireless doorbell 32 songs transmitter chime music

商品説明

Features :

Doorbell function & Emergency alarm & Welcome alarm.

32 songs optional.
Long distance transmission.
Learn 30 doorbell transmitters.
4 levels adjustable volume.


Specification :

Working Voltage: AC 100-240V
Working Current: < 100 mA
Wireless Transmission Frequency: 433 MHz
Wireless Transmission Distance: 150 meters (in open areas)
Working Temperature: -10 to 50 degrees centigrade
Operating Current: 8-15 mA
Standby Current: 3uA
Operating Temperature: -10\u2103 to 50\u2103
Humidity: Maximum 90%
Battery: 27A 12V
Transmit Distance: < 80 M
Size: 74 mm x 46 mm x 12 mm


Package includeds :


1 x KERUI Doorbell Receiver (US Plug)

1 x KERUI Doorbell TransmitterButton

1 x User Manual