Electrical plug:USB 5V and power shifter(The current of USB interface of general mobile should be lower than 500MA)Parameter?5V / 500MAPower:2.5WBattery: 1.5V, 3 * AA batteries.(Package not include the battery)How to use: Use the 3 * AA Battery Or the USB.Material: ABSOuter size:115mm x 110mm x 135mm/4.49' x 4.29' x 5.27'(approx)5 Colors for choose:Green/Hot pink/Blue/Purple/OrangeQuantity: 1 pcNote:CHOCKING HAZARD - small Parts.Not for children under