Caution: Always use the appropriate adapter (0.5-1A) to connect the USB cable to charge the battery Please fly in an open area. The aircraft uses a high speed coreless motor. The open area will help you to perform better Do not fly near signal towers or cameras, as they will affect the control of your aircraft Built-in gyro automatic stability system. If the aircraft loses control, please release the throttle. The aircraft will start the balance function automatically and return to normal flight condition There are two take-off modes: Ground takeoff: It neeeds to slide against wind along a 32.8ft long flat road at full throttle. Hand-throw takeoff: Hold the aircraft at shoulder level with the nose parallel or slightly up, and then gently throw it out with full throttle. Specifications: Model: F22 Remote control Glider aircraft Remote control: 2.4Ghz remote control Battery: 3.7V 500Mah Dimensions: 15 x 11.6 x 3.8 inches Product weight: 0.55 pounds Packing List: F22 remote-controlled aircraft *1 Tailpiece * 2 The wheel *2 The emitter * 1 USB charging cable *1 A. B Fan Blade *1 Battery * 2 Instruction manual *1.