Features 1、High-torque and high-efficiency 2、Precision balanced rotor, smoothness for best reliability and maximum RPM 3、Low heat production, long lifetime, strong overload conservation 4、Fast response to throttle input 5、Mutiple conservation features: Low voltage cut-off conservation for lithium or nickel battery, Over-heat conservation, Throttle signal loss conservation, Motor blocked conservation The set includes a S2430 7200KV motor and a 25A ESC, which is perfectly fit for the 1/16 1/18 RC car. This motor is built from the best materials available, and is designed to provide both quality and performance at an affordable price. And it's with high quality aluminum alloy parts that are produced on the latest CNC milling machines. Additionally, the ESC features enhanced throttle response,excellent acceleration, strong breaks and throttle linearity. Features: High-torque and high-efficiency High purity copper windings maximizes efficiency Precision engineered for maximum energy conversion Precision balanced rotor, smoothness for best reliability and maximum RPM Low heat production, long lifetime, strong overload conservation. Super smooth and accurate throttle linearity Fast response to throttle input Mutiple conservation features: Low voltage cut-off conservation for lithium or nickel battery, Over-heat conservation, Throttle signal loss conservation, Motor blocked conservation Motor Specifications: Brand: GoolRC KV(RPM/Volt): 7200KV Max RPM: 60000 Max voltage: <8.4V Max amps: 24A Resistance: 0.0068 Diameter: 24mm Length: 30mm Shaft length: 12mm Shaft diameter: 2mm Connector: 3.5mm golden banana plug Item weight: 44g ESC Specifications: Brand name: GoolRC Constant current: 25A Burst current: 90A / 10sec Battery: 2S Li-Po / 4-6S Ni-Mh BEC: yes BEC Output: 5V / 2A Power supply plugs: T plug male Motor plugs: 3.5mm banana plug female Dimension: 37 * 26 * 15mm / 1.5 * 1.1 * 0.6in(without cables) Weight: 30g / 1oz(with cables) Package Information: Package size: 10 * 8 * 6cm / 3.9 * 3.2 * 2.4in Package weight: 100g / 3.5oz Gift box package Package List: 1 * GoolRC S2430 7200KV Motor 1 * GoolRC 25A ESC Package List 1 * GoolRC S2430 7200KV Motor 1 * GoolRC 25A ESC