This new soothing moist or dry heat therapy pad promotes blood circulation and relieves fatigue from aching muscles and joint pain. The ergonomic hand held control comes standard with (4) heat settings: warm, low, medium or high with an LED indicator. The even heat distribution of the pad will not leave hot spots during continual use. Auto shut off after 40 minutes. 100% polyester cover is machine-washable. Please ensure to read instruction manual before use of product. Dimensions: 12” (30.5 cm) x 24” (61 cm). 120V/50W.