The Infrared Heated Back Stretcher helps relieve lower back pain virtually anywhere. With three arch levels, you can adjust it for a mild stretch, intermediate stretch or a deep stretch to suit your comfort level. Use the included infrared heat pad to apply deep soothing heat to the tissues, muscles and nerves in your lower back while relieving stress and soreness from sciatica, arthritis or pregnancy pain. Features a built-in timer (up to 4 hours) for safety.