BANBERRY DESIGNS LED Butterfly Window Decoration Hanging Mobile Color Changing Night Light with Suction Cup - Batteries Included - Clear Acrylic COLOR CHANGING LED: lights change colors inside clear acrylic butterfly figure. Colors cycle smoothly red green and blue. SIZE: 18" cord hangs from battery pack. 4" approx. figurine. BATTERIES INCLUDED: Requires 2-CR2032 batteries (included, plus bonus batteries) On/Off Switch - touch activated. USE: Suction cup on back attaches to any smooth surface. Hang from a window in a room, patio, porch, door or mirror in a bedroom or bathroom. UNIQUE GIFT IDEA: Birthday gift for a kids room goes great with a butterfly theme decor.