QH-925M

WIRELESS PLUG-IN DOORBELL

· Easy to install, wire free
· PCB assembled by SMT machine
· Pre-set digital code builds unique connection between receiver and button,
　 block interference from outside signal
· Up to 200 meters range, but walls metal frames and electrical interference
　 will reduce the operating distance
· Different version available, 15,17,25 or 36 tunes

· Different painting available

Model No.	QH-925M
Frequency	315MHz±0.5MHz 433MHz±0.5MHz
Active pressure wave(receiver)	≤-57dbm
Power supply(receiver)	1*12V 23A ALKALINE BATTERY
Power supply(button)	AC 110V/230V
Transmit power	≤5W
Operating range	UP to 100 meters(OPEN AREA)
Sound options	15/17/25/36 tunes Selectable