Feature 1Compatibility: Brushless motor is suitable for 2 to 4 Inch FPV Racing UAV, Quadrotor UAV, giving you better efficiency. 2Strong Power: Precision balanced rotor and high smoothness, providing optimal reliability and maximum speed. 3High Strength: Brushless motor has stable balance and high strength pressure resistant bearings to effectively eliminate vibration. 4Precise Design: CNC machining aluminum alloy front and rear cover, high purity high temperature resistant copper coil, stable and reliable. 5Performance: Stator windings are secured with high temperature adhesives to prevent them from shifting, pinching or shorting.SpecificationItem Type:BrushlessMotorMaterial: Aluminumalloy .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Motor Size: Approx: 19.3x14.8mm/0.75x0.58in (excluding cable)Configuration Ratio: 9N12PStator Diameter: Approx: 14mm/0.55inStator Length: Approx: 4mm/0.15inAxle Diameter: Approx: 1.5mm/0.05inSingle Motor Weight: Approx: 11g/0.02lbMaximum Continuous Power: 240W, 287.8WMaximum Current: 15A, 17.99ARecommended Battery Voltage: 2-4S , 3-4SApplication: Suitable for 2 to 4 inch FPV racing UAV, quadrotor UAVPackage List4 x BrushlessMotor16 x ScrewNote1. Please allow slight 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.