Operating for up to two hours from its rechargeable battery, or all day from a standard wall outlet, the Versa-Cool delivers 34 degree cold therapy to the treatment site using simple ice and water. The Versa-Cool Comes complete and ready to use when you receive it, making affordable cold therapy treatment easy weather you are in the locker room or at home. The PRO Standard Versa-Cool comes with the cooler unit, 6' hose, battery, battery charger and wall power transformer. Cooling wraps sold seperately.