Feature:1. Good Coordination: First class mold design of the RC ducted fan ensures perfect dynamic balance of blades and good coordination between fan ducts.2. Good Performance: The high efficiency RC ducted fan is stable and more durable. And it passed good aerodynamic tests, with excellent dynamics.3. High Quality Material: It is made of full injection molding and electronic component materials, which has high temperature resistance and greatly reduces the damage rate.4. Strong Power: Powerful, equipped with k286 brushed motor, high efficiency. The diameter of the blade is 30mm, and the diameter of the widest part of the fan duct is 35mm.5. Application: The RC metal electric duct has super anti interference, and it is easy to install and remove, which is suitable for 1S poser ducted aircraft.Specification:Item Type: RC DuctMaterial: Plastic, electronic componentColour: BlackGross Weight: 13g / 0.46ozStatic Thrust (4.2V Full Throttle): 50gStatic Thrust (4.35V Full Throttle): 56gDC Brush Motor: K286Maximum Continuous Current: 4.2ALine Length: 18cm / 7.1inBlade Diameter: 30mm / 1.2inDiameter of the Widest Part of the Fan Duct: 35mm / 1.4inProduct Size: 41x35mm / 1.6x1.4inApplication: For 1S Power Ducted AircraftPackage List:1 x RC DuctNote:1. Manual measurement, please allow 1‑3mm error, thank you!2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.