Accurately monitoring the temperatures of your refrigerator and freezer saves you money through energy conservation and reduced food spoilage. The RFT1 Refrigerator/Freezer Thermometer has a 2" dial featuring a colour-coded temperature range guide - easy to check with a glance. The stainless steel housing and durable laboratory glass lens will stand up to the hard knocks of kitchen life. With the ability to either stand or hang this thermometer, it will always be right where you need it. Measurement Range: -30°F to 80°F