Auto Sensor - Auto-on within 3 m, auto-off after approximately 3 m 15 seconds when no movement is detected. Only turns on automatically when it is dark and motion is detected.The ultra-bright LED light motion sensor provides enough light to ensure they don't stumble in the dark. Excellent energy saving and environmental protection ensure that your lamps have a long service life.Easy to Install - Easy to install, no wiring required. With 3M double-sided tape and built-in magnets, you can stick anywhere.LIGHTWEIGHT AND MULTIFUNCTIONAL: The round and compact size makes it an ideal night light for bedrooms, bathrooms, stairs, hallways, kitchens, closets, workshops, basements and other dark places.Battery Powered: This motion sensor LED light is powered by 3 AAA batteries (not included).product descriptionSize Name: White-3PCSLED human body sensor light.Advantage:1. The product comes with 3M glue and magnets, a variety of installation methods are available, and humanized design.2. People come to light, people go. Sensitive and low power consumption.Size: 8*8*1.8cm