CDN ProAccurate Refrigerator & Freezer Thermometer
The refrigerator and freezer thermometer has a temperature range of -40 to +80°F. Target range indicators are along the temperature guide so you know just where the end of the non-mercuric, food safe red oil should be. The polycarbonate case protects the thermometer and can be mounted by either standing or hanging in your refrigerator or freezer. The thermometer has been NSF approved.