- The PIR motion sensor switch features four wires for easy installation: the Live wire (L), the outermost blue line as the Neutral wire (N), and the yellow and inner blue lines that connect to light bulbs or energy-saving lamps. - This compact sensor is designed for effortless installation in rooms or cabinets. It operates on a plug-and-play basis, making it user-friendly for anyone. - Operating voltage ranges from 100-240V, ensuring compatibility with various electrical systems. The optimal sensing distance is between 3-5 meters, with a mounting hole diameter of 25mm (0.98 inches). - Key functionality includes automatic on/off switching in low light conditions when someone enters the detection range. It features adjustable time delays of 15 seconds, 45 seconds, and 5 minutes, allowing you to customize usage based on your needs. - In addition to controlling LED lights, the sensor switch can also manage exhaust fans, doorbells, and other devices, offering versatile applications in your home or workspace. - Ideal use scenarios include: 1. Automatically activating hallway lights when you enter, ensuring safety and convenience during nighttime. 2. Controlling bathroom exhaust fans to enhance ventilation when someone enters, improving air quality. 3. Managing outdoor lighting for security purposes, turning on lights when motion is detected. This PIR motion sensor switch combines practicality with efficiency, making it an essential addition to your home automation solutions.