Feature:1. With full composite injection molding process, it has high rigidity and hardness, greatly reducing the damage rate.2. First class mold design ensures the perfect dynamic balance of the blades and the good coordination between the air duct and the fan.3. It has passed good aerodynamic tests, is more stable, and has excellent power.4. The motor provides powerful power and high efficiency for the aircraft, which provideing high speed operation for the aircraft.5. Made of high quality materials with fine workmanship and high work perfamance, it is suitable for RC airplane.Specification:Item Type: QX Motor 70mm EDF SetProduct Model: QF2827-70mm Material: Plastic + Aluminum Alloy Product Color: As Pictures Shown Motor Diameter: Approx. 27mm / 1.1in Product Weight: Approx. 205g / 7.2ozKV: 3500KVNumber of Paddle Leaves: 6pcsArchitecture: 12N8PNo Load Current: 2.0ALithium Battery Index: 3-4S LipoMaximum Continuous Power: 1000WMaximum Continuous Current: 75A Package List:1 x QX Motor with Ducted FanNote:1. Please allow 1?3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.