Features: The set includes an S3670 2850KV motor, a 120A ESC, and a program card, which is perfectly fit for the 1/8 RC car;provides both quality and performance at an affordable price. High-torque and high-efficiency, High purity copper windings maximizes efficiency. Precision-balanced rotor, smoothness for best reliability, and maximum RPM. The ESC Features enhanced throttle response, excellent acceleration, strong breaks, and throttle linearity. Equipped with a programming card allow you to conveniently program your ESC settings. Built-in high-efficient and high-power 5.8V/3A BEC. Multiple protection Features: Low voltage cut-off protection for lithium or nickel battery, Over-heat protection, Throttle signal loss protection, motor blocked protection. Motor Specifications: Brand: GoolRC Item No.: S3670 KV(RPM/Volt): 2850KV RPM: 50000 Watt: 1600W Max current: 86A Max voltage: