Description: 1/10 4WD Off-Road Hummer Packing: Color box MEAS: 76.5*56*51cm CBM/CTN: 0.218 PCS/CTN: 4 Product Size: 53.5*35*22cm G. W. /N. W.: 20/18kg 550 Classes big power motor with heat sink Upgrade 320A Class electron stepless speed controller 7.2V 1800mAh, Ni-Mhbattery pack 4WD driven all time Front/rear wheel driven all setup pulverous alloy adding rigidity differential gear The mode of hydraulic pressure aluminum ally shock absorber Aluminum alloy chassis Antiskid and antiwear rubber tire Full ball bearing used through the car Charge tme: 4-5 hours, running time: 15-20 minutes Chassis: Length: 400mm, Height: 310mm, Width: 200mm Wheelbase: 288mm Track: 265mm Battery: 7.2V 1800mAh Ni-MH pack Ground clearance: 55mm Tires: 87X41/34mm Weight: 2400g Actual Speed: 40-50 km/h Remote distance: 100meters REQUIRES: 8 x AA for transmitter (not included), you can find battery in my shop! 7.2V Ni-Mh pack *1 for RC Car (included).