1、Motor Design: 4 pole and 12 slots high torsion motor design and high purity copper windings to maximize efficiency. It has high speed and waterproof, which is suitable for all race conditions. 2、Heat Dissipation: CNC machined 6061 T6 billet aluminum casing, which ensures good heat dissipation of the motor, and has longer working time, and is compatible with sensorless brushless motors. 3、Acceleration And Linearity: The brushless motor is specially designed for RC cars, acceleration and linearity characteristics, allowing you to experience a good RC car experience. 4、Multiple Protection Functions: Waterproof brushless motor has lithium or nickel battery low voltage cut off protection, overheat protection throte signal loss protection and motor stall protection. 5、Note: Before using this ESC in water, please remove the cooling fan. Please wash and dry as soon as possible after use to prevent the connector from rusting. Item Type: Brushless motor ESC Motor: Material: Aluminum alloy Color: Black, red Maximum Current: 56A Watt: 900W Speed: 50000 Motor Size: Approx. 36 x 50mm / 1.4 x 2in (excluding shaft and cable) Shaft Length: Approx.15mm / 0.6in, Shaft Diameter: Approx.3.17mm / 0.1in Mounting Hole Diameter: Approx. 3mm / 0.12in Connector: Approx. 4mm / 0.2in gold banana head ESC: Shell Material: plastic Color: Black ESC Size: Approx. 53 x 40 x 40mm / 2.1 x 1.6 x 1.6in (without cable) Continuous Current: 60A Peak Current: 320A Applicable Battery: 2-4S Lipo BCE Output: 6V/5A Applicable: 1/10 remote control car Fitment: Fit for Axial, fit for Traxxas, fit for Tamiya and other brand models 1 x Brushless Motor 1 x ESC 1 x Instruction Manual