RAPID RESPONSE: The 4.25" food-grade stainless steel instant read probe needs just 2-3 seconds to measure accurate temperature and has a wide range of -58℉-572℉ (-50°C- 300°C). WATER RESISTANT: IPX66 rating for water resistance. Takes 1 Lithium battery (included). LARGE SCREEN: Easy and clear reading display. MAX/MIN button to read the last highest/max temperature measured. EASY STORAGE: The strong magnetic backing allows you to place it on your grill or refrigerator when not in use; also has hanging hole that can be hung on a tool hook. CALIBRATION FUNCTION: Adjusts the probe sensor back to the correct accuracy.