●Features1.Electric Power System2.Carbon Fiber Frame3.Pre-Painted Fiberglass Canopy4.Carbon Fiber Tail Blades5.Triple-Bearing Block Main Shaft Support6.Fully Driven Tail Auto Rotation System7.Tail Rotor Drive Belt System8.Push-Pull Control Linkage9.Rear Tail Servo Mount10.10mm Hollow Main Shaft, 8mm Spindle