High-quality PIR infrared sensor detects motion within 2- in the dark, automatically lighting up and turning off after 25 seconds of no motion. Built-in dusk to dawn sensor ensures the bulb activates at dusk and deactivates at dawn, conserving energy during daylight hours. Energy-saving design only illuminates in dark environments, making it ideal for various locations such as stairs, hallways, bathrooms, and garages. Adjustable installation height and angle enhance sensitivity and detection range, with a maximum detection distance of . Versatile usage for security and convenience in areas like front doors, storage rooms, balconies, and gates. Voltage: AC220V This smart motion sensor bulb is designed to provide automatic lighting in response to movement, ensuring safety and convenience in dark areas. With its energy-efficient features, it only activates when needed, helping to reduce electricity consumption. The adjustable installation allows for optimal performance, making it suitable for a variety of settings. Enjoy peace of mind with this innovative lighting solution that combines functionality and efficiency. Color: As Shown Material: PC Package Contents: 4*Led Bulbs Only the above package content, other products are not included. 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.