- High Performance 70mm 12 Blade Ducted Fan.

- Outside Diameter : 73.2mm

- Ducted Fan Length : 58.2mm

- Rotor DIameter : 69mm , 12 Blades

- Weight: 67g

- Working Voltage: 14.8 - 22.2v

- Motors Require : 28mm - 30mm Diameter Brushless Inrunner Motor with Motor Shaft 4.0mm (Not Include)