Electronic Body Muscle Butterfly Massager Slimming Vibration Fitness by SiamsShop Specifications: 4 LED lights: L1, L2, L3, L4 10 intensity options and 6 working mode options Chrome plated buttons Powered by 1 CR2032 batteries (included) Size: 110x80mm(LxW) Color: Random color Package Included: 1x Butterfly Muscle Massager 2x CR2032 (3.0V) batteries 1x English Instruction manual