Ground model:the car can run fast speed on the ground and adjust the speed.
Flying model:Rise and fall,turn left and right,advance and retreat,flanking; hovering, hand throwing, rolling.
High and low speed self tuning,low pressure alarm,high pressure,a key take off and key landing,quick stop, no head mode.
Install the wheel it can become a car.
Using the screwdriver to dispatch the screw and install the swing,it can become a quadcopter.