The Control Box is an optional solution to totally activate the self-tailing cleat. JOY can rotate the motor in CW and CCW with the double switch and the Electronic Control Box and it results in easier and more comfortable. Whatever you are maneuvering a large vessel or docking in challenging conditions, this option gives you the opportunity to position your boat in a better way and easier. The JOY control box and its double switch are tools for any boater looking to precise, intuitive and comfortable mooring and use JOY at 100% of its capability.