* Input Voltage: DC 9～16V
* Operating Current: ≤18mA (DC 12V )
* Operating Temperature:-10℃～+50℃
* Installation Method: Ceiling mounted
* Installation Height: 2.5m ~6m is recommended
* Detecting distance: 6 diameter (at 3.6m installation height)
* Detecting Angle: 360°
* Alarm Output: NO. NC optional
* Anti Tamper Switch: Normal Close
