This LED light bar is perfect for those areas and spaces where illumination or additional light is needed. Each LED light bar is battery operated and features a cordless deisgn. They are also remote controlled and have a timer function and adjustable brightness. The sticker pads make it so these lights can be installed in many locations with ease. Light requires 6 x AA batteries (not included). Remote requires 1 x CR2025 battery (included). Please read safety warnings carefully