It uses microwave sensors, which have better performance and are safer than infrared sensors. Uses microwave radar as the control signal source to detect human movement. When someone enters the detection area, the indicator light will turn on immediately. The detection area is 360°, which is easy to install and provides a high detection probability. Perfect for closets, basements, laundry rooms, garages, bathrooms, hallways, and stairs. High sensitivity, long induction distance, strong reliability, large induction angle, wide range of mains voltage. Shipping: 100% Brand New Item Type: Microwave Sensor Switch Material: ABS Diameter: Approx. 9.5 cm / 3.7 inches Height: Approx. 4.2 cm / 1.7 inches Operating Voltage: 12-24V DC Output Type: Relay Node Signal (Switch) Installation: Indoor, Ceiling Installation HF System: 5.8Hz+/-75MHz CW Radar Power Consumption: <0.5W Transmission Power: <0.2mW Load Current: 7A (max) Detection Angle: 360° Working Delay: 10s-5min Detection Distance: 2–10 m / 6.5–32.8 ft Light Control Illumination: 10-2000LX Working Temperature: -35℃~80℃ Weight: Approx. 127g / 4.5oz 1 x Microwave Sensor Switch 2 x Bolt 2 x Nut 1 x Instruction Customers are our top priority. If you find any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.