PIR door bells chimes with PIR sensor to detect movement for entry alert
1. Adopts digital processing chip, auto temperature compensation, with high anti-interference and low fault alarm feature.
2.Multiple functions consist of greeting device, door bell and alarm system.
3. Power supply: 9-15VDC adapter or 3 AAA battery.
4. Three modes optional: artificial voice dingdong, hello, welcome), 32 songs or alarming.
5.Voice volume adjustable.