Feature:1. 4 pole 12 slot high torque motor and waterproof design, it is suitable for various conditions of competition.2. Highpurity copper windings can maximize efficiency and are precisely designed to achieve maximum energy conversion.3. With precisely balanced rotor, the smoothness can achieve the best reliability and maximum RPM.4. It fits fot 1/10 RC car with enhanced throttle response, excellent acceleration, strong braking and throttle linearity.5. With multiple protection functions, such as low voltage cutoff protection, overheat protection, and throttle signal loss protection.Specification:Item Type: 540 Brushless Motor SetMaterial: Aluminum Alloy + PlasticProduct Color: As Pictures Shown Product Weight: Approx. 282g / 9.9ozCompatible: Fit fot 1/10 RC Car Motor Parameters:Product Color: RedMotor Size: Approx. 50x36mm / 2.0x1.4inMotor Shaft Length: Approx. 15mm / 0.6inMotor Shaft Diameter: Approx. 3.175mm / 0.1inWattage: 820WMaximum Voltage: <13VMaximum Current: 60AKv (RPM/Volt): 3900KVMaximum Speed: 50000Plug Type: 4mm Golden Banana PlugESC Parameters:Continuous Current: 60ABurst Current: 320AApplicable Battery: 2-3S Li-Po / 4-9S Ni-Mh Ni-Cd (not included)Bec Output: 5.8V/3APower Plug: T Plug MaleMotor Plug: 4mm Banana Plug Female.Package List:1 x Motor 1 x ESC1 x Manual 1 x Heat Sink