RC Monster Packing: Window Box Quantity: 6 pcs/ carton Product size: 42 X 40 X 23cm Gift box: 33.5 X 29 X 28.5 cm Carton Size: 58 X 34.5 X 86.5 cm G. W.: 18.2 kg N. W: 16.2 kg Features: Product size: Constringency 25*25*25 CM, Outspread 42*40*23 CM Battery For Controller: 1*9V Battery: 7.2V 1300mAh Charge time: 4 hours Play tiem per charge: 30 minute Frequency: 27MHZ; 49MHZ Remote control range: 30M Accessories: 1)1*transmitter 2)1*7.2V 1300mAh rechargeable battery 3)1*charger 4)1*9V battery Functions: It slides, climbs, rolls, expands and contracts. Go forward, backward, turn right/left and transforms. It transforms from a ball to a beast in seconds! Mud, grass, pavement can't stop the Stunt Monster. Three modes include shield, explore and attack.