Features: Brand new and high quality dual technology PIR and microwave detector Doppler effect and energy analysis Temperature compensation, prevent from false alarm. Intelligence technology makes it can distinguish the intruder and interference signal. Specifications: Detecting method: dual PIR + MWDetecting distance: diameter 12 mDetecting angle: 110°Infrared region: 44Microwave rate: 5.4GHzInstallation: wall and corner mountedWorking voltage: 9-16V DCWorking current: 8-25mAAnti EMI: >20V/M, 20 MHz-1000 GHzTamper-proof: NCAnti light interference: >9000LUXAlarm output: relay NCDimension: 129 x 62.7 x 51.4 mm Package included: 1 x Detector1 x User manualIn original package