Features 1、4 Pole 12 Slot High Torque Engine: CNC machined 6061 T6 billet aluminum radiator tank, secondary oxidation treatment, high end and delicate appearance. 2、High Purity Copper Windings: Maximized power, high speed ABEC5 large bearings, low friction, low noise, high accuracy, and long service life. 3、Universal Installation: 3.175mm output shaft, suitable for all 1/10 brushless cars, M3 screws for various installation methods. 4、Accurate Balanced Rotor: Smoother for better reliability and maximum speed. 5、Waterproof Design: Adopt accurate waterproof design, maximum power conversion, precise design. Detachable replaceable rotor. Ultra thin stator lamination (0.35mm), excellent performance, high magnetic permeability, high silicon content, good insulation heat resistance. Item Type: RC Brushless Motor Material: Aluminum Alloy, Copper, Steel Color: Orange Black Model: F540 KV (RPM/Volt): 3300KV Wattage: 800W Maximum Voltage: <18V Maximum Amperage: 45A Number Of Rotor Poles: 4 IO: 1.9A Maximum Speed: 50000 Product Size: Approx. Diameter: 36mm / 1.4in Length: 50mm / 2in Shaft Length: 15mm / 0.6in Shaft Diameter: 3.175mm / 0.13in Plug Type: 4mm Banana Plug Applicability: for All 1/10 Brushless Cars Package List 1 x F540 Brushless Motor 1 x User Manual