Microwave Sensor Light ,HF sensor Light,Motion Sensor/PIR sensor light, door sensor light,windows sensor light,Led light The sensor is an active motion detector, ... wave(5.8GHz)and receives their echo. The sensor detects the change in echo from even the slightest ... : 50/60HzInstallation sit: Indoors, ceiling mountingTransmission power: <10mWHF system: 5.8GHz CW radar, ISM bandDetection angle: 360° ...