206 RC helicopter C138 Standard Version. The 206 helicopter is a light multi-purpose helicopter developed by Helicopter Company in the United States based on the OH-4A light observation helicopter. The aircraft obtained a Federal Aviation Administration airworthiness certificate in October 1966. This type of helicopter can be used for tasks such as carrying passengers, transporting troops, transporting goods, rescue, first aid, surveying and mapping, agricultural operations, oil field development, and administrative services.New Functions: Added optical flow positioning function, making the flight experience more stable and easy to control. Functions: ascending, descending, forward, backward, left flying, right flying, left rotation, right rotation, route flight, brush pot and other stunt actions.C138 Dimensions: Rotor diameter 306mm/fuselage length 312mm/height 101mm. Packing list：RC Aircraft RTR/RTF x1Controller x1Battery: 7.4V 350mah x1(optional)/7.4V 350mah x2(optional) Charger: USB charging cable x1propeller x2Manual x1Main propeller blade x2Tail propeller x1Screwdriver x1Hex wrench x1 Material: PA/PC Color:red/blueDimensions: rotor diameter 25.6cm body length 23.5cm height 8.1cmMotor: 2Servo: 3 digital servos Run time: 12 minutesCharging time:50minsChannel:6 CH Feature1.Stabilization system easy to fly: gyro stabilizer ultra stable self stabilization of gyro system. powerful over-grade motor system allows easy controlling to do aerobatic flying. it's a great remote control planes for beginners, adults.2.Beginners' first rc airplane trainer: no flap design, the propeller design based on the principle of aerodynamics provides strong power and self-stability of the body. 6-channel design with 3 digital servos for more stable flight, better handling performance, and better wind resistance.3. The height of the barometer is fixed, and the flight is stable.Modular battery, intelligent power management system, power indicator, easy and fast installation, effective battery protection, longer service life.4. Stunt actions such as ascending, descending, forward, backward, left flying, right flying, left rotation, right rotation, route flight, brush pot, etc.5. 6G mode, using 6-axis gyroscope, stable flight, especially suitable for beginners to fly.6. Low voltage alarm, stall protection, runaway protection, conversion of large and small rudders, one-key take-off, one-key landing and other functions.7. Equipped with a dedicated USB charger, fast and stable charging.