Open the battery cover and inside there is a toggle button with degrees Fahrenheit Features 💜1. Pivoting probe turns the thermometer off when the probe closed. Auto Power Save after 10 minutes of inactivity 💜 2. Super Bright Built-in LED with backlight makes it easy to read at night. Display can shows temperatures in Fahrenheit and Celsius 💜 3. This thermometer can be field calibrated, and features both a maximum and a minimum feature, which displays the highest or lowest temperature during latest use. 💜 4. The 304 stainless steel folding probe . The housing is made from food-safe ABS plastic 💜 5. Powered By 1.5V AAA batteries, which are not included. 💜 6. This M meat thermometer also perfect for fryers, bread, candy, coffee, and homebrews.Fit forGrilled, BBQ and smoked meat,Bread and pastries,Candies and sweets,Beverages like beer, wine, water, milk etc.The Details💜 1. Waterproof design 💜 2. With hanging hole 💜 3. Backlight function 💜 4. Can be calibrated in 0ºC 💜 5. Resolution: 0.1ºC/0.2°F 💜 6. Min max temperature record 💜 7. Inside magnet on backside 💜 8. Power saving: 10 min auto-off 💜 9. Foldable probe diameter:3.5mm 💜 10.Response time:3-4s 💜 11.Measuring Range: -50℃-+300℃（-58°F-+572°F） 💜 12.Display Resolution: ±0.1 💜 13.Measuring Accuracy: ±1 degree at temperature from -20℃~200℃(-4°F~392°F) and ±2 degree at other temperature range. 💜 14. Probe Material : SUS304 Package included:1/2/3/4/5/10/20/30/50/x BBQ Food Thermometer1x User manual