ITEM NAME:1/10 RC Crawler Wired Automatic Winch Control +Winch Controller for RC4WD img *{margin:0;padding:0;.Suit for: 1/10 RC Crawler Car RC4WD. Instruction: the power line connect to receiver, long press the start switch in the box until the red light flash. It winds up or out of the wire cable, allowing you to tow objects or another RC car stucked in the mud.