Features 1、4 pole 12 slot high torque motor and waterproof design, it is suitable for various conditions of competition. 2、High‑purity 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 is suitable fot 1/10 RC car with enhanced throttle response, excellent acceleration, strong braking and throttle linearity. 5、Multiple protection functions, such as low voltage cut‑off protection, overheat protection, and throttle signal loss protection. Item Type: 540 Brushless Motor Set Material: Aluminum Alloy + Plastic Product Color: As Pictures Shown Product Weight: Approx. 279g / 9.9oz Compatible: Fit fot 1/10 RC Car Motor Parameters: Product Color: Red Motor Size: Approx. 50x36mm / 2.0x1.4in Motor Shaft Length: Approx. 15mm / 0.6in Motor Shaft Diameter: Approx. 3.175mm / 0.1in Wattage: 820W Maximum Current: 47A Kv (RPM/Volt): 3300KV Maximum Speed: 50000 ESC Parameters: Continuous Current: 60A Burst Current: 320A Applicable Battery: 2-3S Li-Po / 4-9S Ni-Mh Ni-Cd (not included) Bec Output: 5.8V/3A Package List 1 x Motor 1 x ESC 1 x Manual 1 x Heat Sink