Having a party? Don't want to string lights but you want to decorate with paper lanterns. This is the light you need. This tiny battery terminal operates on 3 AAA batteries (not included) It uses 12 super efficient LED bulbs to illuminate your lanterns. Each terminal has a burn time of 6 -8 hours on one set of batteries. Also has a on/off switch on the side of the terminal. Use with any lanterns above 10" diameter. Measures 4-3/4" tall x 1-1/2" wide x 5/6" deep. Comes on a elastic string so you can attach it to the metal frame in the lantern very easily.