Features:The HB100 microwave module is a 10.525GHz microwave moving object detector based on doppler radar principle.It has the advantages of being free from the influence of temperature, humidity, noise, air flow, dust, light and so on. So Adapted to harsh environmentswith excellent ability of anti-radio interferenceThis product is mainly used in places such as automatic induction lamp, automatic door control switch, security system and automatic video control system of ATM ATM.It is also used in prison monitoring, airport monitoring, important storage sites, hospital ICU and other important places.Specification:Working frequency: 10.525 GHzWorking voltage: DC 5V5%Maximum working current: 45mATypical working current: 35mAAverage power consumption: 50mWAntenna gain: 8dBiDetection range: water level 85(maximum adjustable 160), vertical plane 40Detection range: 10 mWorking temperature: - 30~ + 70Working humidity: < 93%RHSize: 45*37*8mm/1.8*1.5*0.3inWeight: Approx.10g/0.4ozPackage list:1 x Microwave Motion Sensor Module