①. Infrared Sensor Switch working voltage: 100-240V; Sensing distance: 3-5M; Mounting Hole Diameter: 25mm/0.98inch ②. There are 4 wires: the Live wire (L); the outermost blue line is Neutral wire (N); Yellow line and inside blue line connect to light bulb or energy-saving lamp. ③. PIR motion sensor switch has feature of small size and lightweight, easy to install and operate in room or cabinet. ④. Function: Auto switch on/off in the dark when you enter into the induction range, and the time delay has 3 options of 15 seconds, 45 seconds, 5 minutes adjustable. ⑤. In addition to the automatic control of LED lights, it can also be used to control exhaust fans, doorbells or other devices. ⑥. Suitable for auto lighting corridors, stairs, bathrooms, basements, warehouses, garages, closet, advertisement light and other. ⑦. Induction angle: 110 degree ⑧. Waterproof rating: IP22 ⑨. Working temp: -20 Celsius - +40 Celsius ⑩. Application: LED lighting, ceiling, panel lights, floodlights, etc. ⑪. Colour: As shown ⑫. Material: plastic ⑬. Package Contents: 1 x Mini Motion Sensor Light Switch ⑭. Only the above package content, other products are not included. ⑮. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.