Feature:1. [High Torsion Motor] The brushless motor adopts 4 pole high torsion rotor design, which has strong torsion and stable output power. Universal for 1 or 16 1 or 18 RC car.2. [High Efficiency] RC motor kit, CNC machined 6061 T6 aluminum front and rear covers. High purity, high temperature resistant copper coils effectively provide high efficiency.3. [Sturdy And Durable] RC brushless motor has a high toughness stainless steel output shaft and high accuracy high quality bearings to make the motor super durable.4. [Flexible ESC] The ESC uses the highest quality components to ensure efficient operation. The internal timing can be easily changed to make the ESC suitable for a variety of motors.5. [DIY Programming] RC brushless motor kit, with programming card, rich programmable items, suitable for all kinds of RC tires and tracks, the RC car is more playable.6. [Multi Protection Functions] RC brushless motor ESC kit, with low voltage cut off protection, overheating protection, and throttle signal loss protection to ensure longer service life.Specification:Item Type: RC Brushless Motor KitMaterial: Aluminum Alloy, PlasticMotor Parameters:Shell Material: Aluminum AlloySize (Excluding Cables and Shafts): Approx. 24 x 40mm or 0.94 x 1.57inShaft Diameter: Approx. 2.3mm or 0.09inShaft Length: Approx. 12mm or 0.47inColor: RedWatts: 400Maximum Speed: 50000KV Value: 4600KVMaximum Voltage: andlt 8.4VMaximum Amperage: 47AConnector: 3.5mm or 0.1in Banana PlugESC Parameters:Material: Plastic, Aluminum AlloyProduct Size (without Cable): Approx. 40 x 27 x 21mm or 1.57 x 1.06 x 0.82in Color: RedPower Plug: T MaleContinuous Current: 35APeak Current: 120AApplicable Battery (Batteries Not Included): 2-3Cells Lipo, 4-9 Cell NiMhApplicable: Universal for 1 or 16 1 or 18 RC Car .Package List:1 x Motor1 x ESC1 x Manual1 x Programming CardNote:Manual measurement, please allow some errors.