Feature: 1. 4 Pole 12 Slot Hi-torque Motor Design. Precision balanced rotor,smoothness for best reliability and maximum RPM. 2. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. 3. Universal fit, for all 1:14, 1:16 2S RC car and 3S racing car. 4. Multiple conservation Features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation. 5. If there are any problems, please contact our store in time. We will give you a satisfactory solution. Specification: Features: 4 Pole 12 Slot Hi-torque Motor Design. Precision balanced rotor,smoothness for best reliability and maximum RPM. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. Universal fit, for all 1:14, 1:16 2S RC car and 3S racing car. Multiple conservation Features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation. If there are any problems, please contact our store in time. We will give you a satisfactory solution. Specifications: Name: RC Motor Color: Red KV(RPM/Volt): 3800KV Watt: 600 Max RPM: 50000 Max Voltage: <9V Max amps: 68A Rotor Poles: 4 Diameter: 28mm Length: 39.5mm Shaft: 3.175mm Shaft Length: 15mm Connector: 3.5mm Gold ESC Constant Current: 35A Burst Current: 120A (10S) Power Supply: 2-3S LiPo battery / 4-6S NiMh Battery BEC: Linear Switch 5V 1A Programming Card Low Voltage Cut off: 3.1V/Cell 2.8V/Cell 3.3V/Cell No Cut-off Start Mode: Medium, Soft, Strong Max Brake Force: 25%, 50%, 75%, 100% Max Reverse Force: 25%, 50%, 75%, 100% Neutral Range: 6%, 9%, 12%, Work State Package Information: Package Size: 11*7* 4.2cm Package Weight: 211g General Box Package Package Listing: 1* 3800KV Brushless Motor 1* 35A Brushless ESC 1* 2.2KG Servo 1* Programming Card Package List: ing: 1* 3800KV Brushless Motor 1* 35A Brushless ESC 1* 2.2KG Servo 1* Programming Card