V1.2 DJI Phantom quad copter with quick-start instruction manual. This package includes 2 stock batteries (because one is not enough!), and upgraded carbon fiber blades (will need to be balanced) as well as the stock blades. It is advisable to first use the stock blades rather than Carbon Fiber.Phantom has an integrated flight dynamics system, the Naza-M + GPS multi-rotor autopilot system, as well as the dedicated remote controller and receiver. Flight parameters and functions have been setup before delivery, so you can fly your Phantom the moment you receive it. The proven stability of the Naza-M autopilot system allows you to easily achieve great flight performance.Phantom contains a remote controller and receiver, which help the user to completely avoid the inconvenience of purchasing such things. The only thing you need to do is to add TX batteries (4x AA dry cell). The 2.4 G ISM frequency makes the effective control distance up to 300 meters (can be impacted by the specific flight environment). The frequency hopping anti-interference design allows multiple remote controllers to work at the same time, and provides a reliable remote communications link.Phantom also has the Intelligent Orientation Control (IOC) function of the Naza-M autopilot system. Usually, the forward direction of a flying multi-rotor is the same as the nose direction. By using Intelligent Orientation Control (IOC), wherever the nose points, the forward direction has nothing to do with nose direction: In course lock flying, the forward direction is the same as a recorded nose direction. In home lock flying, the forward direction is the same as the direction from home point to the multi-rotor.