TANSOREN LED Night Lights, DIY Stick-on Anywhere Portable,10-LED Wireless Motion Sensing Lamps Simple Installation: an adhesive strip with magnetic fields is easily attached to and detachable from the lamp body. No tools, screws or nuts are required. Battery Operated: Powered by 4pcs AAA batteries(not included). Automatic Sensing: the light will light up when you get within 3 meter of it and will go out 15 seconds after you walk out of its sensing range. Economical and Environmentally Friendly: 10 pcs bright white LED, energy-saving and environment friendly. What You Get: TANSOREN 10 LED IR Sensor Closet light,our fan-favorite 18-month warranty and friendly customer service.