Ultra fast and accurate thermometer that instantly reads temperature within 3-4 seconds. Customizable configuration lets you switch from ºF or ºC. Accurate to ±1°F between -4ºF to 392ºF. Probe is 4.5" long. After reading, fold the probe to turn off. Includes a power saver function that auto-offs after 10 mins of inactivity and turns back on when used.