Feature:1. It uses microwave sensors, which has better performance and safer than infrared sensors.2. Use microwave radar as control signal source to detect human movement. When someone enters the detection area, the indicator lamp will immediate light.3. The detection range is 360, which is easy to install and provides high detection probability.4. Perfect for closets, basements, laundry, garages, bathrooms, aisles and stairs.5. High sensitivity, long induction distance, strong reliability, large induction angle, wide range of power supply voltage.Specification:Condition: 100% Brand NewItem Type: Microwave Sensor SwitchMaterial: ABSDiameter: Approx. 9.5cm / 3.7inHeight: Approx. 4.2cm / 1.7inOperating Voltage: 12-24V DCOutput Type: Relay node (switch) signalInstallation: Indoor, ceiling installationHF System: 5.8Hz+/-75MHz CW RadarPower Consumption: <0.5WTransmission Power: <0.2mWLoad Current: 7A (Maximum)Detection Angle: 360Working Delay: 10s-5minDetection Distance: 2-10m / 6.5-32.8ftLight Control Illumination: 10-2000LXWorking Temperature: -35~80Weight: Approx. 127g / 4.5oz Package List:1 x Microwave Sensor Switch2 x Bolt2 x Nut1 x InstructionNote:Please allow 1-3cm error due to manual measurement. Thanks for your understanding.