* Set of 2 thermometers for fridge and freezer * High-performance and very high precision * Clear and legible scale in degrees Celsius FM Professional offers you this set of 2 thermometers for refrigerators and freezers. Precise and of high quality, they will allow you to perfectly control the temperatures of your refrigerator and freezer. FM Professional thermometers are resistant to temperatures ranging from -40°C to +40°C. They allow you to perfectly control the cold chain of your food. Tips for use: For the refrigerator: Do not place your thermometer in your refrigerator door or in a drawer. Wait 8 hours, avoid opening the refrigerator during these 8 hours and then read the measurement. For the freezer: The optimum temperature of a freezer is between -18°C, or even -23°C. The lower the temperature, the better the products can be stored.