Feature:1. The waterproof 45A brushless ESC is made of the highquality components to ensure efficient operation.2. With enhanced low pressure protection, overheating protection and throttle signal loss protection.3. 6061 T6 billet aluminum heat sink processed by CNC can effectively ensure the efficient operation and cooling of the motor.4. Highpurity copper windings maximize efficiency and accurate design can achieve maximum energy coverage.5. 4pole 12slot hightorque motor is designed with light weight, portable and easy to use.6. Universal installation, suitable for multiple installation systems with M3 screws for all 1/10 RC brushless cars.Specification:Item Type: 3650 2300KV Brushless Motor + 45A ESC + Heat Sink ComboMaterial: Aluminum Alloy + Copper + PlasticProduct Color: As Pictures ShownProduct Weight: Approx. 310g / 10.9ozCompatible: Fit for 1/10 RC CarMotor Parameters:Wattage: 900WMaximum Voltage: <22VMaximum Amperage: 41AKV Value (RPM/volt): 2300KVMaximum Speed: 50000Diameter: Approx. 36mm / 1.4inLength: Approx. 50mm / 2.0inShaft Length: Approx. 15mm / 0.6inShaft Diameter: Approx. 3.175mm / 0.1inPlug Type: 4mm Golden Banana PlugESC Parameters:Continuous Current: 45ABurst Current: 180AProduct Applicable Battery: 2-3S Lithium Battery / 4-9s Nickel-hydrogen Nickel-cadmium Battery (not included)BEC Output: 5.8V / 3APower Plug: T Plug Male.Package List:1 x Motor 1 x ESC1 x Motor Radiator1 x Manual Note:1. Avoid working temperature exceeding 65C (150F).2. Do not touch the motor after use, because the motor may overheat.3. Allow the motor to cool completely between two uses.4. Make sure to use the correct size motor mounting screws.5. Do not over tighten the motor mounting screws.