Aaron1 Chuông Cửa Không Dây Cảm Biến Âm Thanh 32 Chế Độ 3 Chế Độ Hồng Ngoại Nhiều Màu Sắc tại Lotte Market

Installation height: 1.5m-2.5m
Induction method : infrared sensor triggered
Music: 32 music and vocals optional
Detection range: 4-8 m
Installation : No need professional personnel, easy to install yourself
Package Included:1 x Welcome Doorbell (Without battery and without power adapter)
Volume: 4 levels adjustable (Can't adjust volume at alarm mode)
Power supply : DC 9-15V (battery not included)
Size: Height 7.5cm Width 8cm , thickness 4.5 cm (with base - base can be flat or fixed on top)
Detection Angle: Horizontal Angle of 110 degrees, vertical Angle of 15 degrees
Battery: 3 x AAA batteries (batteries are not included)
Ambient temperature/humidity : -10 -40 5% -95% RH
Infrared sensor adopt to digital fuzzy treatment, automatic temperature compensation, Radio frequency anti-interference,has low rate of false alarm.
ntegrating a variety of functions,welcome,wireless doorbell ,guard defence and so on.
2 choice of power supply :3 AAA battery and 9-15v power adapter
Support human voice,32 beautiful songs and alarm
4 level of adjustable sound volume
Attention:
1. Please use good quality alkaline batteries, avoid using less electricity and electrolyte leakage ordinary carbon battery.
2. Non-professional workers do not repair without authorization.
3.Please avoid the product installed in the rain,with long time direct sunshine,strong magnetic,heavy cold and hot air place.