CoolJet® (Cold) Therapy Combo Unit Knee w/attached strap. Non-sterile. Automatic Temperature Control (ATC) measures and regulates temperature to provide therapeutic cold therapy without manual adjustment. Intuitive LED light lets user know when the unit is in therapeutic zone and advises when to add ice. Portable system suitable for any medical setting or treatment at home. Therapy Blankets optimize temperature distribution, insulation and comfort. Blanket Wraps increase insulation and ensure precise placement of blankets. Intuitive screw top opening. Knee/Shoulder combo unit comes with 3 detached straps (2 x 24″ and 1 x 36″) and can be used with either the knee or shoulder.