1、Wide Applicability: General purpose, suitable for all 1/10 brushless cars. Look cool and make your car stand out. 2、High Torsion Motor Design: 4 pole 12 slot high torsion motor design, precise balance rotor, good smoothness, high reliability. 3、CNC Machining: CNC machining, 6061 T6 aluminum shell, can better provide heat dissipation. 4、High Purity Copper Windings: High purity copper windings maximize efficiency and greatly improve performance. 5、RC ESC Programming Card: With RC electronic speed controller programming card, you can program electronic speed controller according to demand, which makes it more playable. Item Type: F540 Motor Kit Weight: Approx.287g / 10.1oz Shell Material: Aluminum Alloy Material: Aluminum Alloy, Plastic Color: Black + Red KV Value: 3930KV (10T) Motor Diameter: Approx.36mm / 1.4in Motor Height: Approx.50mm / 2.0in (Excluding Shaft) Shaft Length: Approx.15mm / 0.6in Shaft Diameter: 3.175mm / 0.1in Power: 820W Maximum Current: 10A Maximum Speed: 50000RMP Electronic Speed Controller: Continuous Current: 60A Peak Current: 320A BEC Output: 5.8V 3A Product Applicable Battery: 2-3S LI-PO, 4-9S Ni-MH Ni-CD (Battery Not Included)Programming Card: Color: Black Material: Plastic Startup Mode: Medium, Soft, Strong Maximum Braking Force: 50%, 25%, 75%, 100% (25A, 35A, 45A, 60A); 25%, 50%, 75%, 100% (80A, 120A) Maximum Reverse Force: 25%, 50%, 75%, 100% Neutral Range: 9%, 6%, 12% Working State Applicability: Suitable For 1/10 Remote Control Vehicles 1 x Motor 1 x Electronic Speed Controller 1 x Program Card 1 x Manual