High quality ultrathin metal canopy with ultra light weight and strong resistance of impact. High tenacity rotor wing. Specifications1.4-axis F450 Multi ... he has a strong rack, beautiful appearance, with a stable system of flight, very smooth flight, Of course, primary can be ... Lift and down 3,accelerograph 4,Heading Direction 5,Remote control calibration( Switch channel) 6,PTZ pitch angle 7, PTZ ...