F03 RC Helicopter 4CH Flybarless Height Hold Helicopter With 6 Axis Gyro RC Helicopter RC Toy Gift For Beginner Adults|RC Helicopters Features: * Functions: 2.4GHz 4CH (UP/down;forward/backward; left/right turn; left/right side flight); one key take off/landing; 6-aix gyro; height hold. * SIX AXLE GYRO& INTELLIGENT AIR PRESSURE FIXED HEIGHT: Built-in 6-axis gyro makes the flight more stable and precise, especially suitable for beginners to fly. Use air pressure fixed height module, integrated algorithm, limit climb, descend rate, making beginners master quickly, lower the probability for the plane to be damaged in a very high extent. * HIGH-INTENSITY COMPLEX ENGINEERING MATERIAL: undercarriage and mainframe use PA66+GF(nylon and glass fiber) composite, have high intensity, high toughness, no deformation, resistance.to collision, ensure flight accuracy, and durable use. * HIGH EFFECTIVE STRONG MAGNET ELECTRIC MACHINE: Use 050 strong magnet core motor and specially-made 8520 coreless motor, strong dynamic power output, more power-saving, stable and sensitive than average motor. * ALL DIRECTION FLIGHT: Use high efficiency 4.3g digital rudder controller, high torque quick responding, back inaccurate characteristic, responding rate 60°/0.05ms. * FLYBRRLESS DESIGN: Adopt flybarless design, cancel the traditional balancing pole structure, electronic stabilization system, hand feeling is more accurate, the flight is more stable, optimize the structure and reduce the damage probability. AIR DYNAMIC DESIGN: Propeller uses air dynamic principle design, strong power, and body stability. Have high efficiency, power saving, can fly longer. Blade use nylon and carbon fiber, with high intensity, high toughness, resistance to collision. * 3.7V 700mAh 20C lipo battery, high discharge rate, provides 15-20mins use time, longer duration of the flight, making it more exciting.The 2.4GHz communication protocol can expand the satellite receiver to support DSMX DSM2 PPM SBUS system.Specification: Item name: F03 RC Helicopter Materail: Nylon + Carbon fiber + glass fiber+ PET plastic Remote signal: 2.4GHz Channel: 4CH Control distance: 120m Motor: Coreless motor Rotor blade diameter: 320mm Fuselage length: 345mm Height: 108mm Weight: 99g Battery: 3.7V 700mAh 20C lipo Charging time: 90 hours Working time: 15-20mins Package information: Package size: 40*12.8*19cm Package weight: 790gPackage list: 1 * Helicopter 1 * Remote Controller 1 * USB Charger 1 * Tail Blade 1 * Battery 1 * Rack wheel 1 * Manual