Big-digit type K thermometer reads from -50 to 1300°C with a resolution of 0.1° and 1°. Switches from °F to °C at the touch of a button. Easy-to-read big digits measure over 5/8-in-high and are readable from 15 ft away. Unit has a HOLD button that freezes display to capture current reading. Intuitive, four-button operation makes it easy-to-use. Display is updated 2.5 times per second. Rugged unit is constructed of shock-resistant ABS plastic. Meter only accuracy: ±0.3% of the reading plus 1°C between -50°C to 1000°C, otherwise 0.5% of the reading plus 1°C. Uses all Type-K thermocouple probes.