This ICYTHRP cold therapy machine provides soothing pain relief for knees ankles shoulders and other areas after surgery or injury. Its digital timer allows you to control cryotherapy sessions for precise cold compression. The three ice boxes keep ice water cold for repeated use throughout the day. A quiet pump swiftly circulates ice water through the compression pad for targeted cooling. Its adjustable straps securely wrap the pad around affected joints relieving swelling and discomfort. With consistent use it can help speed recovery from knee replacement surgery sprains or other conditions requiring ice therapy.