1. HOLD button keeps the teperature reading until it is pressed again ON or 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 2. With easy-to-read LCD display and high precision sensor, the instant reading thermometer can get accurate readout within 4-8 seconds 3. The long food grade 304 stainless steel probe prevent you from getting hot on your meaurements, and its step-down tip design with a plastic cap for more use and easier healthy storage 4. The food thermometer is with wide temperature range of -58℉-572℉ (-50℃-300℃), accurate to ±0.9℉, perfect for indoor outdoor cooking, grilling, BBQ, huge turkey, chicken, roast, hot milk, etc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.