... ground. If there's any other car of the same frequency is being operated nearby ... radio wave interface, you may lose control of this product. In such case, please change ... 49MHz. Wireless radio frequency (RF) controlledDirectly recharged by remote controllerForward, backward, turn left, turn right, ... 5~10 minutesRemote controller powered by 2 x AAA batteries, the car powered by 4 x AAA batteries ...