Welcome to the store! 1. MOTOR FUNCTION: 4-pole large torque rotor design, the motor operates with strong torsion and stable output power. 2. STAINLESS STEEL SHAFT: Strong toughness stainless steel shaft and premium bearings create super durability for the motor. 3. EXCELLENT PERFORMANCE: Components are waterproof and dustproof, durable. Strong resistive current capacity and good heat dissipation. 4. PROGRAMMABLE: Rich programmable items suitable for various RC tires and tracks, use as you please to meet your needs. 5. MULTIPLE PROTECTION FUNCTIONS: Low voltage protection, overheating protection, throttle signal loss protection. Safe and reliable to use. Item Type: Motor Electronic Speed Controller Set Material: Aluminum Alloy, Plastic, Stainless Steel Motor Parameters Shell Material: Aluminum Alloy Color: Red Motor Size: Approx. 47 x 28mm / 1.85 x 1.1in Power: 800W Maximum Speed: 50000 Number of Rotor Poles: 4 Shaft Length: Approx. 13mm / 0.51in Shaft Diameter: Approx. 3.175mm / 0.13in Connector: Approx. 3.5mm / 0.14in gold Electronic Speed Controller Parameters: Continuous Current: 35A Peak Current: 120A (10 seconds) Product is suitable for batteries (excluding): 2 to 3 cells Lipo, 4 to 9 cells NiMH Electronic Speed Controller Size: 40 x 35 x 20mm / 1.57 x 1.38 x 0.79in (excluding cables) Motor Connector: Approx. 3.5mm / 0.14in 1 x Motor 1 x Electronic Speed Controller Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!