Easily check the temperature of your reach-in or walk-in refrigerators and freezers with this tube-type commercial refrigerator thermometer. The plastic analog thermometer is 4-3/4” wide by 1-1/8” tall, with a color-marked temperature scale measuring from -20°F to 80°F (-30° to 30° Celsius) with an accuracy of +/- 2°F. The color markings clearly show the commercial freezer temperature range, making this an ideal commercial freezer thermometer, as well as the safe temperature zone for refrigerated food. The thermometer comes with two suctions cups for easy mounting on a refrigerator wall, or it can be hung from a shelf.