Specification: Voltage:AC85-265 V Sensor distance:4-8 M Sensor angle:120 Dimension:40*45mm Applications:energy-saving lamps, LED lamp, fluorescent lamp & other lights Feature: Easy to install & simple to use Adjust the light soft & stable, no flickering. You can conveniently to let the light auto on/off. The switch can detect human bodys infrared, & use infrared to control the load According to actual needs, the human body sensors installed in the appropriate environment Package included:1*PIR motion sensor switch