Infrared sensor switch Working voltage: 100-240V Best detection distance: 3-5M Hole diameter: 25mm/0.98inch Features 4 wires: red is phase (L), outermost blue is neutral (N), yellow and inner blue connect to lamp or energy-saving lamp. This PIR motion sensor switch is compact and lightweight, making it easy to install and use in rooms or cabinets. It's plug and play. Function: Automatically turns on/off in the dark when you enter the induction area. Features adjustable delay settings of 15 seconds, 45 seconds, and 5 minutes. Besides controlling LED lights, it can also manage exhaust fans, doorbells, or other devices. Widely suitable for automatic lighting in corridors, stairs, rooms, basements, warehouses, garages, closets, advertising displays, and more. Induction angle: 110 degrees Waterproof rating: IP22 Working temperature: -20°C to +40°C Applicable lights: LED lighting, ceiling lights, panels, spotlights, etc. Color: As shown Material: Plastic Package Contents: 5 x Mini Motion Sensor Switches (Note: Other products are not included. Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.)