CFHKStore One Piece Outdoor DC 12V Automatic Infrared PIR Motion Sensor Switch The switch can detect human body's infrared , and use infrared to control the load The brown line is neutral wire, the blue line is Live wire input, the red line is Live wire output A built-in light sensor can automatically detect day and night Applications: Incandescent lamp, energy-saving lamps, LED lamp, fluorescent lamp and other kinds of loads Type: PIR Switch Sensor degree: 180