?Patented technology self regulates to prevent hot spots and provides consistent, therapeutic heat?Digital LED controller for easy, precise use?Shaped design engineered for optimal comfort especially for areas such as the lower back and neck?4 heat settings, 2 hour auto off?Designed for flexibility and comfort?Fully machine washable pad for increased peace of mind?Moist heat option for increased heat therapy effectiveness?9¡¯ long cord?5 year warranty