MOTION SENSOR & LIGHT SENSOR: Using passive infrared technology (PIR), it detects human motion and automatically turns on in the dark. The motion sensor closet lights activate within 16 feet and turn off automatically after 20 seconds when no motion is detected. These smart lights will not turn on if sufficient ambient light is present, helping to conserve battery life.SUPER BRIGHT & SOFT LIGHTING: Provides up to 60 lumens with 6 pieces of 0.5W SMD 2835 LEDs (90Ra CRI). These cordless motion sensor under cabinet lights deliver bright, even illumination to help you see clearly in the dark. Features an anti-glare panel for soft, comfortable lighting, ideal for children and older adults.BATTERY OPERATED & EASY INSTALLATION: Powered by 3 AAA batteries (not included). Installs quickly and easily with strong adhesive tape—no wiring required. The light only activates in low-light conditions when motion is detected, extending battery life.PORTABLE DESIGN & WIDE APPLICATION: Compact and portable design makes these motion sensor puck lights suitable for a variety of indoor locations, including kitchens, bedrooms, hallways, stairs, basements, attics, garages, laundry areas, under cabinets, closets, cupboards, drawers, safes, and mailboxes.