This thermometer is made of ABS case & food grade 304 stainless steel,which with foldable 4. 6" Food grade stainless steel probe and auto-on/off function, open the probe to turn on, fold the probe to turn off. EASY to use, storage and carry. Takes a temperature in a little as 2-3 seconds, and is accurate to +/-1 degrees with a wide range of -58℉-572℉. It’s a perfect solution for grilling, baking,deep frying, making candy, or uses it to test the temperature of your Liquid, beer, wine, tea, etc