Feature: 1. Motor Features: The brushless motor adopts 4 extremely high torsion rotor design, which has strong torsion and stable output power. 2. CNC Machining: CNC machining 6061 T6 aluminum front and rear covers, high purity high temperature resistant copper coils, effectively provide high efficiency. 3. High Toughness: High toughness stainless steel output shaft and high precise premium bearings make the motor super durable. 4. Premium Components: High performance, premium components make the components waterproof and dustproof, durable, strong resistive current capability, and good heat dissipation. 5. ESC Features: The most premium components ensure efficient operation, and the internal timing can be easily changed, making the ESC suitable for a variety of motors. 6. Multiple Protection Functions: Low voltage cut off protection, overheating protection, throttle signal loss protection, multiple protections. 7. Programmable Items: The brushless ESC comes with a wealth of programmable items, suitable for various RC tires and tracks. Specification: Item Type: 2845 Brushless Motor Set Material: Aluminum Alloy, Plastic Gross Weight: 172g / 6.1oz Motor Parameters: Shell Material: Aluminum Alloy Color: Red Motor Size: Approx.47 x 28mm / 1.9 x 1.1in KV Value: 3700KV Power: 800W Maximum Speed: 50000 Rotor Pole Number: 4 Axial Length: Approx.15mm / 0.6in Axle Diameter: Approx.3.175mm / 0.13in Connector: Approx.3.5mm / 0.14in gold ESC Parameters: Continuous Current: 35A Peak Current: 120A (10 seconds) Battery(not included): 2-3 cells Lipo 4-9 cells NiMH Electrical Adjustment Size: Approx.41 x 27.5 x 25.5mm / 1.6 x 1.08 x 1.0in(excluding cable) Motor Connector: Approx.3.5mm / 0.14in Applicable: for Traxxas, for HSP and other brands 1/12 RC car. Package List: 1 x Motor1 x ESC1 x Manual