Description 4-Pack Motion Sensor Light Switches, PIR Sensor Sensitive Sensor Technology: Equipped with a precise 120° detection angle, this sensor switch activates within a 20° range when motion is detected, ensuring efficient operation in areas such as hallways and rooms. Intelligent Light Control: Designed for operation in low-light conditions (below 10 LUX), the sensor automatically turns the light on and off based on motion, making it ideal for nighttime use in both residential and commercial environments. User-Friendly Installation: This compact and easy-to-install sensor can be wired in parallel with existing switches, allowing it to function even in good lighting conditions and making it versatile for use in various locations. Versatile Compatibility: This sensor switch is suitable for a wide range of lighting solutions, including energy-saving lamps, incandescent bulbs, and LED lights, and is the perfect choice for improving energy efficiency in your lighting system. Improve. Operating Note: Please note that the sensor switch does not support adjustable switching delays to ensure consistent operating times; delay settings cannot be adjusted. Color: White Material: Plastic The actual product may have slight color variations or differences that do not affect its use. Package Contents: 4 Pieces Motion Sensor Light Switch Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the reality. The allowable measurement error is +/- 1-3 cm.