Features 1、4‑pole 12‑slot high‑torque motor design. Built‑in high‑efficiency power 5.8V / 3A SBEC. 2、Multiple protection features, overheat protection, throttle signal loss protection. 3、Light weight, easy to use, portable design. Good spare parts for remote control car, fit for 1/8 1/10 RC Car. 4、Waterproof 60A brushless ESC is made of the highest quality components to ensure efficient operation. 5、Made of high quality Aluminum alloy, copper and plastic material, sturdy, durable and long service life. Item Type: 3650 4500KV Motor ESC Kit Weight: Approx.254g/9.0oz Material:Aluminum Alloy + Copper + Plastic Motor Parameters: Colour: Black Material: Aluminum Alloy + Copper Wattage: 900W Maximum Amperage: 75A KV Value (RPM/Volt): 4500KV Maximum Speed: 50000 Diameter: Approx. 36mm/1.4in Length: Approx. 50mm/2.0in Shaft Length: Approx. 15mm/0.6in Outer Shaft Diameter: Approx. 3.175mm/0.1in ESC Parameters: Continuous Current: 60A Maximun Current: 320A Battery for ESC: 2-3S Lithium Battery / 4-9S Nickel-hydrogen Nickel-cadmium Battery (not Included) Bec Output: 5.8V / 3A Application: for 1/8 1/10 RC Remote Control Car Package List 1 x Motor 1 x ESC 1 x Manual