AUTOMATIC MOTION SENSOR: With passive infrared technology (PIR), it detects human motion. Automatically turns on in the dark. The Motion Sensor Closet Lights is auto-on within 10 feet, auto-off after 20 seconds with no motion. To save battery life, these lights won't turn on if there's already light in the area. EASY TO INSTALL: These homelife led bars motion sensor lights have an adhesive strip with magnetic fields is easily attached to and detachable from the lamp body. No tools, screws or nuts are required. Mount it on any flat surface BRIGHT LED CLOSET LIGHTS: The Wardrobe Light is brighter than other similar lights, with 10 LED in each light, motion sensor lights provides enough light to make sure you never stumble in the dark. Energy-saving and environmentally friendly BATTERY OPERATED: The Motion Sensor LED Light is Powered by 4 AAA batteries (not included). Light does not switch on if there's enough light in the area. This saves battery life for a long time. MULTI-PURPOSE AND DURABLE: This motion sensor cabine light can be used in attics, basements, kid's room, closet, cupboard, drawer, emergency supplies storage room, garage, medicine cabinet, storm cellar, storage unit, vanity mirror, workstation, etc. 30 day money back guarantee