This unit will not operate without the purchase of its partner Remote Control. (One remote control is all you need for many lights. For event planners we recommend two remote controls.) Battery powered and operated with a remote control, this light features 12 Super-EFficient warm yellow LED bulbs that produce a warm 33 lumens glow to illuminate your lanterns. This wireless lighting is easy to use; simply clip inside the lanterns and turn them all on with one simple click of the remote! Included with each light is a 10-inch elastic cord for hanging. Illuminates lanterns from 12 to 26 inches. Runs on 3 AAA batteries (not included). 8+ hours of continuous illumination! Remote is sold separately.