This Therma Moist Heating Pad Medium by Drive Medical is ideal in the treatment of arthritis, back pain, sprains and strains, muscle soreness, neck pain, headaches and sports related injuries. Features It comes with a positioning strap with Velcro-type closure to ensure a secure, proper fit for maximum treatment. The outer, flannel cover draws the airs humidity and retains it, releasing the moisture once the pad warms directly onto the treated are. The moist heat therapy is more effective than dry heat because moisture transmits heat more efficient than air, providing soothing relief every time you use it. Heating pad will automatically shut off after treatment. To prevent accidents, hand control will not allow unit to turn on unless the temperature is set at 0 degrees . Do not expose pad to fluids. Do not place pad directly over cuts, abrasions or open wounds. To clean, remove cover from heating pad. Machine or hand wash. Use mild detergent in cool water. Hang to dry or use set on cool gentle cycle in dryer. Heat Settings 115 degrees /130 degrees /150 degrees /165 degrees F 45 degrees /55 degrees /65 degrees /75 degrees C . Time Settings 15, 30, 45, 60 minutes. Power Consumption 90-130 V, 40- 70 Hz. 1 Each / Each