Wire Free Doorbell QH-827A

*White or black color available
*Easy to install,wire free,battery operated or plug-in
**FCC,CE and RoHS compliant
*Transmitter/bell push IP44 waterproof
*1 million sets of auto-learning codes to avoid interference
*Energy saving,transmitter battery can be used for over 15 months,and receiver batteries for at least 6months,and plug-in receiver working power consumption less than 5W
*Music volume adjustable:low,medium or high

Model No.	QH-827A
Frequency	315MHz±0.5MHz 433MHz±0.5MHz
Active pressure wave(receiver)	≤46dBuv/m
Power supply(receiver)	2X1.5V AA
Power supply(transmitter)	1X3V CR2032
Quiescent current	＜200uA
Working power consumption	N/A
Operating range	UP TO 80 METERS(OPEN AREA)
Sound options	36 Polyphonic Melodies