This super bright LED COB dimming task light includes 3 AAA batteries. Equipped with new COB LED technology, it has a output 200 lumens of intense light. Comes with a dimming slide switch to adjust brightness from 0-100%. Install in seconds. Simply use the built-in keyhole to mount the light. Comes with two adhesive Velcro strips and a magnetic base on the back and can be attached to any flat surface. This portable night light can be used anywhere such as a bedroom, closet, garage, laundry room, basement, camping, boat and RV. Great emergency light during power outages.