This set of bright LED lights is ideal for power outages, camping, closets, sheds, stairs and recreational vehicles. Lights install in seconds, have shatter-proof bulbs and are cool to the touch. No wiring, cords or tools needed! Each contains LED lights which guarantees a bright and reliable light. There are 3 lights per package with a sticky back. Operates with 3 'AAA' batteries (not included). Each measures 2 1/2" square.