Specification: Brand: ALZRC Model: X380 Main Rotor Diameter: 860mm Main Shaft Diameter: 6mm Main Blade Length: 380mm Spindle Shaft Diameter: 5mm Tail Rotor Diameter: 3196mm Tail Rotor Shaft Diameter: 5mm Tail Blade Length: 70mm~75mm Thickness: 5mm Weight: 1340g (Including Blades，Battery，Electronic Device) Motor Size: Maximum Diameter 41mm、 Maximum Hight 41mm Motor Shaft: 5mm Battery Compartment: 35x45x125mm […]