LitezAll Motion Activated Puck Lights 2 Pack Easy peel & stick installation, bright COB LED light plus hands-free operation. Puck lights turn on automatically when they detect motion up to 10 feet away and turn off 15 seconds after motion stops. Mounting options include magnetically to most smooth metal surfaces, magnetically to the included peel and stick metal disc and keyhole mounts (screws not included). Approx Dimensions: H x W x D: 2.75" x 2.75" x 1" These are the perfect lights for under cabinets, tool benches, tool sheds, pantries, under the sink or your camper. They also make great night lights! Battery powered means never a need for wiring or outlets. Each puck light runs on 3 AAA batteries (included)