Waterproof XL-5 ESCDetails: Designed and engineered by Traxxas, the XL 5 Electronic Speed Control handles the elements while smoothly supplying power to the motor. This high performance ESC is packed with impressive specifications that are normally only found on more expensive high end replacement units. The XL 5 features a completely waterproof design, three throttle profiles, Thermal Shutdown Protection, 4 8 cell compatibility, and built in BEC. High frequency