FEATURES Voltage:AC 110V or 220V(for Receiver) Volume of bell:25-75db Transmition Power:<10mW Frequnency:433MHz/315MHz+/- 2M

DESCRIPTION

1) With LED light(no flash);

2) 48 appealing polyphonic melodies;

3) Operating distance is up to 260m in the open air;

4) 4 grades Volume regulation;

5) Touch switch button & water proof function;

6) Protected from the interference of other cordless products;

7) Reciver operated by AC plug in 110V/220V;

 8) Transmitter operated by one 12V/23A battery(included);

9) A,B,T is transmitter(remote controller), can free combine with the bell(receiver)

 10) Housing color(white/black/or other) & paint finishing (rubber/UV/General) is customizable;

DOOR BELL