QH-919-2

DIFFERENT SOUNDS FOR FRONT DOOR AND REAR DOOR BUTTONS

· ROHS,R&TTE,FCC compliant
· Easy to install, wire free, battery operated
· PCB assembled by SMT machine
· Pre-set digital code builds unique connection between
　 receiver and button, block interference from outside signal
· Up to 100 meters range, but walls, metal frames and
　 electrical interference will reduce the operating distance
· Different version available, two melodies
· Different painting available

Model No.	QH-919-2
Frequency	315MHz±0.5MHz 433MHz±0.5MHz
Active pressure wave(receiver)	≤-57dbm
Negative pressure wave(button)	≤-36dbm
Power supply(receiver)	3*1.5V AA
Power supply(button)	1*12V 23A Alkaline battery
Quiescent current	≤400μA
Transmit power	＜10mW
Operating range	UP to 100 meters(OPEN AREA)
Sound options	TWO MELODIES