The RTF version of the plane has all the necessary accessories for flight, such as the engine, servos, regulator, battery, charger, transmitter and receiver with a built-in gyroscope. You need to buy 4 AA sticks to power the transmitter on your own. The ideal beginner’s choice when learning to fly Quick, easy assembly Light weight and durable EPO construction Powerful brushless outrunner motor Easy-Plug 10A brushless ESC High complete kit easy to assemble High performance in low speed pass Product Description Mustang P51D airplane is the most intelligent RC airplane ever offered by VolantexRC. It’s a good size for beginners to start in RC airplane. Mustang P51D is capable of performing a basic complement of aerobatic Maneuvers dry as loops, rolls, and even inverted flight. It is a high performance plane, stable and easy to be under control. EPO is not easy to be broken, so it is a good choice for the beginners. The whole plane is high completeness and easy for beginners to assemble.