Inaccurate refrigerator or freezer temperatures can cause food spoilage, increase food borne illnesses, damage the reputation of your establishment and cost you in time and money. Prevent these unnecessary events from occurring with the Pro Digital Refrigerator/Freezer Thermometer from Taylor. Bold 0 4/5 in. digits make the Thermometer easy to read and easy to find in a full fridge or freezer. The simple design is versatile and can be hung, stood, or attached with a magnet for the most accurate temperature reading. Operates on one CR2025 lithium battery, which is included with the unit. Temperature Range: -4F to 140F / -20C to 60C . 1 CR2025 lithium battery included . -Sold per each