1It provides airplane with high speed running 2The blade can convert the rotation of the motor into the propulsion of the aircraft in maximum efficiency 3Motor offers the airplane strong power and high efficiency 4It is made of high quality metal with long lifetime and better work efficiency 5Excellent heat dissipation quality ensures reliable duct and aircraft systemFeatures:It provides airplane with high speed running.The blade can convert the rotation of the motor into the propulsion of the aircraft in maximum efficiency.Motor offers the airplane strong power and high efficiency.It is made of high quality metal with long lifetime and better work efficiency.Excellent heat dissipation quality ensures reliable duct and aircraft system.Specification:Material: Metal Color: As Pictures Shown Moor Model: QF2611 KV: 4500KVConfiguration: 9N6PShaft Diameter: Approx. 20.2mm /Stator Length: Approx. 11mm /Motor Size: Approx. 26 * 47mm /No-load Current: 2ANo. of Cells: 3 - 4S LiPo (Not Included)Max. Continuous Power: 280WMax. Continuous Current: 27A Voltage: 11.1V Amps: 25A Watts: 278W Thrust: 750g, 26.5oz Effiency: 2.7g/W, 0.1oz/W Duct Barrel External Diameter: Approx. 75mm / 3.7inchWeight: 120gType: RC PartPackage Includes:1 x Motor3 x Banana Male Plugs3 x Banana Female Plugs6 x Heat Shrink Tubes Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.