-°C/°F button makes Celsius/Fahrenheit switchable; HOLD button keeps the teperature reading until it is pressed again; ON/OFF is the power switch function and it is with automatic power-off function after 10 minutes when there is no operation to extend your battery life -With easy-to-read LCD display and high precision sensor, the instant reading thermometer can get accurate readout within 4-6 seconds -The 5.6" long food grade 304 stainless steel probe prevent you from getting hot on your measurements, and its step-down tip design with a plastic cap for more use and easier healthy storage -The food thermometer is with wide temperature range of -58°F-572°F (-50°C-300°C), accurate to ±0.9°F, perfect for indoor outdoor cooking, grilling, BBQ, huge turkey, chicken, roast, hot milk, etc