Dual Passive Infrared Detector Japan Nicera dual element PIR sensor MCU Processor Pulse Count Optional Distance detector optional Automatic temperature compensation reducing false alarm Led On/Off optional for different alarms Metal shield with electromagnetism inmunity Technical Specification: Operating Voltage: DC 9 - 16V Supply Current: < 25mA DC 12V Working Temperature: - 10ºC to + 50ºC Installation Method: wall mounted Installation Heigth: about 2.2m Detecting Angle: 110 º Detecting Distance: 6 - 12m Alarm Output: N.C / N.O. Anti Tamper Switch: Normal Close Size: 116 x 54 x 50.5mm