Wheelbase: 313mm. RC Mode: 2.4G. 1 1/10 Electric 4WD Climbing Car. Car Battery: 7.4V 3000mAh 18650 lithium battery. RC Distance: About 100m. (NOTE: To replace and upgrade the 6000mAh battery, it is necessary to remove the sponge on both sides and the rear of the car battery box for better installation. ).