Thermostrip is a self-adhering and waterproof color-changing label that measures the surface temperature of dishware in the dishwasher. Using the thermostat on a dish surface with each wash cycle will provide a record that the proper sanitizing temperature has been reached. Label is tough enough to handle the extreme conditions existing in commercial dishwashers. Red color makes the label easy to find. Label changes permanently from white to black indicating temperature was reached. This flexible label allows usage at all three temperatures. Accurate to within 2°F. May be saved as a record of sanitizing temperature. Label Size 1/2" x 1". 3/4".