Technical Data: -- Total length: 600mm -- Main Blades diameter: 675mm (foamy material) -- Motor: 380 brushless -- Tail rotor diameter: 145mm -- Total weight: 720g(including the battery) -- Servo: 9g x 4 -- Gyro: outer placed -- Battery:li-polymer(11.1v,1500mah), -- Flying time: 8-15 minutes(Li-polymer battery) -- Radio System: 6 Channel Features: 1. Adopting normal 3D mode and the 3D mode is adjustable screw space. 2. 380 brushless motor, belt drive system, adjustable screw space in the tail blade; has strong power to meet strong wind. 3. Can fly in skyway, backward and 3D aerobatic. 4. The controller is equipped with 3D mode switch; PZT and PLT adjustable knob, and can be adjusted to the best flying state. 5. 6pcs/carton, Carton size: 85.0*49.0*49.0cm, 22KG/CTN.