You can conveniently to let the light auto on/off. The switch can detect human bodys motion, and use infrared to control the load. Users according to actual needs, the human body sensors installed in the appropriate environment. Used for LED lamp, energy-saving lamps, fluorescent lamp and other kinds of loads. Easy to install and simple to use. Type: PIR Motion Sensor Material: Plastic Load Power: ≤40W Working Voltage: 85-265V Detection Range: 1-8m Time-delay: About 45 Seconds Angle Coverage: 110° Features: Easy to Install, High Sensitivity, Infrared Motion Sensor, Saving Energy Size: 4.5cm x 4cm x 2.5cm/1.77" x 1.57" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x PIR Motion Sensor(without Switch)