8713 Flip Flop Novelty String Lights, Colorphasing Illuminate your room, locker or other space with the lava 12 count flip flop string lights These lights color change in 7 bright colors (blue, green, yellow, orange, red, purple and pink) The string lights automatically color change through one, two and multiple colors They are battery operated and run on 2 AA batteries (not included) The lights are evenly spaced out on a 60 inch cord and are for indoor use only