Feature: 1. High Torsion: Brushless motor has a four high torsion rotor design with powerful torsion and stable output power. 2. Fine Crafted: Brushless motor uses CNC processing 6061 T6 aluminum front and rear cover. High purity resistance copper coils, effectively providing high efficiency. 3. High Durability: Brushless motor has high tough stainless steel output shafts and high accuracy bearings to build a motor super durability. 4. Superior Performance: ESC adopts the highest quality component to ensure efficient operation; rich programmable projects, suitable for various RC tires and tracks. 5. Multiple Protection: Brushless ESC has multiple protection functions, low pressure cutting protection, overheating protection and throttle signal loss protection. 6. Universal to Use: Brushless motor ESC kit can easily change the internal sequence and make the electrical use of various motors. Specification: Item Type: Brushless Motor ESC Kit Motor Parameters: Housing Material: Aluminium Alloy Size: Approx. 24x40mm / 0.94x1.57in (Without Cable, Shaft) Colour: Red Wattage: 400 Maximum. Speed: 50000 Maximum. Voltage: <8.4V Maximum. Amperage: 47A Shaft Diameter: Approx. 2.3mm/0.09in Shaft Length: Approx. 12mm/0.47in Connector: 3.5mm Banana Head ESC Parameters: Material: Plastic, Aluminium Alloy Size: Approx. 40x27x21mm / 1.57x1.06x0.83in (Without Cable) Colour: Red Power Plug: T Male Continuous Current: 35A Peak Current: 120A Applicable Battery (Without Battery): 2-3 Cells Lipo, 4-9 Cell Nimh Applicable: For 1/16 1/18 RC Car Universal. Package List: 1 x Motor 1 x ESC 1 x Manual Note: Please allow for some errors in manual measurements.