INSTALLS WITHIN SECONDS - No tools or wiring required. Stick anywhere you like with the super strong double-sided adhesive pads or magnet (already included). Ideal for stairs, closets, walls, bathrooms, wardrobes & more. Only works on in the dark. Built with smart state-of-the-art sensors, this motion sensor light turns on when movement & darkness is detected. Never stumble in the dark again. Won't stay on for longer than needed. Automatically powers off after 15-30 seconds of no movement. These lights are super power efficient. Smart product that is super energy efficient. Batteries last 2x longer than competitors. Long life-span LEDs provide just the right amount of lighting to guide you in the dark. Powered by 3 AAA batteries.