422HDv2 Servo Winch High Torque Digital Coreless w/ Built In Preprogrammed Winch ControllerContained in an aluminum servo case is a powerful winch and integrated controller for simple and convenient operation from a 3rd channel. In fact, it drops into the Element chassis (as well as many other 1 10 crawlers) and is easily controlled by the standard third channel on the Element RTR transmitter. High Torque Digital Coreless Servo Winch with Built In, Pre Programmed Winch Controller: "Submarine Waterproof" Operating Voltage: 4. 8V 8. 4V 7075