Say goodbye to aches, pains and soreness with the Relief Pak Heating Pad. Super-fast heating penetrates hurting muscles and cramps in seconds! The electric moist heat pad creates dry heat by itself and moist heat by adding a wet sponge inside. This quality heating pad is perfect for pain relief and features a therapeutic cover that effectively provides a soothing surface against your body during treatment. Choose from four heat settings (Warm, Lo, Med, Hi) to customize your experience and maximize relief. Worried about forgetting to turn it off? No problem! This heating pad includes an automatic shut-off after two hours. The heating pad measures 12" x 24" and comes with a 9 ft. power cord for convenience. This heating pad is sure to provide you with long-lasting comfort during those times of soreness or discomfort. 110V.