This continuous cold therapy device circulates ice water through the included pad, wrapping around the treatment area. The AquaCold features a digital display for effortless set up. Great for sports rehab, post surgery treatment, muscle soreness and more! Flexible Cryotherapy Freeze Kit System Fits Knee, Shoulder, Ankle, Cervical, Back, Leg, Hip and ACL - Wearable Adjustable Wrap Pad System Includes: AquaCold Therapy Machine and Tank 5' Connection Hose Universal Cold Pad 3 Elastic Straps AC Adapter Instruction Manual Everything you need is in the box!