Electrical plug:USB 5V and power shifter(The current of USB interface of general mobile should be lower than 500MA) Parameter:5V / 500MA Power:2.5W Battery: 1.5V, 3 * AA batteries.(Package not include the battery) How to use: Use the 3 * AA Battery Or the USB. Material: ABS Outer size:115mm x 110mm x 135mm/4.49'' x 4.29'' x 5.27''(approx) 5 Colors for choose:Green/Hot pink/Blue/Purple/Orange Quantity: 1 pc Note:CHOCKING HAZARD – small Parts. Not for children under 3 years 1 x Air Conditioner 1 x USB Power Cable(not include the battery)