Infrared Sensor Switch specifications: Voltage: 100-240V Optimal sensing distance: 3-5M Mounting hole diameter: 25mm or 0.98inch. The switch has 4 wires: Live wire (L), Neutral wire (N) (blue), and connections for a light bulb (yellow and blue wire). This small, lightweight PIR motion sensor is easy to install and use, ideal for rooms or cabinets, and features plug and play functionality. It automatically switches lights on or off in the dark within the sensing range, with adjustable time delays of 15 seconds, 45 seconds, or 5 minutes. It can also control exhaust fans, doorbells, and other devices. Suitable for corridors, stairs, bathrooms, basements, garages, closets, and more. Induction angle: 110 degrees Waterproof rating: IP22 Operating temperature: -20��C to and40��C. Applications include LED lighting, ceiling lights, panel lights, and floodlights. Material: plastic. Package includes: 1 Mini Motion Sensor Light Switch. Other products are not included. Note: Color may slightly differ due to lighting and display variations. Measurement error may be 1-3cm.