Feature: full-scale machine four-wheel driving system Shock absorption and collision avoidance design provided longer service life Supporting a range of remote control about 30 meters Aluminum alloy made body shell means better anti-crash performance Ready to run and no assembly needed Specifications: Material: Aluminum Alloy and ABS Color: Silver and Black optional Wheelbase: 200mm Wheel diameter: 73mm Remote control distance: about 30m Function: forward, backward, turn left, turn right, left hand throttle Car Battery: 4.8V 2000mAh Ni-Cd battery Charging time: about 100min Working time: about 15min Battery size: 57 * 47 * 14mm Controller Battery: 2 * AA battery(not included) Item dimension: 260 * 160 * 140mm Item weight: 470g