This is the Arrma BLX185 Brushless 6S ESC, a waterproof 150A ESC that provides consistent power control and is fitted with the reliable IC5 connector. The built in cooling fan provides reduced heat during intense driving action and the over voltage protection and two-stage lipo cut off gives added cell management. The fitted 10AWG high-quality wires and 6V BEC unit are combined with a three mode throttle profile (FWD/REVERSE/BRAKE) to provide the ultimate driving experience.