Yup. 2 stage temp controller, chest freezer and brew belt. The advantage is there are no adjustments required to the freezer. I mounted the controller and a duplex receptacle on a peice of plywood, screwed a hook on the back and hang it from the lip of my freezer. Plug the freezer and the brew belt into the controller operated receptacle, and plug the controller into the wall. Easy Peasy, assuming you know how to operate a wire nut. I can provide pictures if it'll inspire you.