alarm systems, cctv systems, access control, doorphone systems, PA systems, fire systems, ip camera. Inverters. Solar panels. solar controllers. Batteries. Surge Protectors. Emergency power sources. Charging device.

* Power supply : AAA batteries (battery not included)
* Detection range: 4-6m
* Volume: 4 levels adjustable (Can't adjust volume at alarm mode)
* Induction method : infrared sensor triggered
* 3 modes: Voice Alarm Music,at "Voice" mode: Human voice; at "Alarm"mode: keeps you aware of intruders;at "Music" mode: just as a doorbell,with 32 music to welcome your guests
* Ambient temperature/humidity : -10 -50 degree
* Detection Angle: Horizontal Angle of 110 degrees, vertical Angle of 15 degrees
* The main function: Automatic body sensing , ultra-long , wide-angle detection. Adjustable direction (with stand). Host built-in speakers, alarm loudness of 75-95 db
* Installation : No need professional personnel, easy to install yourself
* Installation height: 1.5m-2.5m
* Music: 32 music and vocals optional
* Size: Height 7.5cm Width 8cm , thickness 4.5 cm (with base - base can be flat or fixed on top)
* Battery: 3 x AAA batteries (batteries are not included)