Features Large backlit LCD display Wide temperature range with 0.1°/1° resolution Readout in °F, °C, or K (Kelvin) Data Hold function freezes reading on display Max/Min/Avg readings with relative time stamp Offset key used for zero function to make relative measurements Auto Power off with disable feature Accessories (Included) Type K Bead Wire Temperature Probe 9V Battery Specifications Temperature (Type K): -328 to 2501°F (-200 to 1372°C) Temperature (Type J): -346 to 2012°F (-210 to 1100°C) Basic Accuracy: ±(0.15% rdg + 1°C) Resolution: 0.1°/1° Dimensions: 8.7 x 2.5 x 1.1" (220 x 63 x 28mm) Weight: 7oz (200g) The Extech TM100 is a Type J/K Single Input Thermometer that has a wide temperature range of -328 to 2501°F/-200 to 1372°C for type k and -346 to 2012°F / -210 to 1100°C for type j measurements. It has a high 0.1°/1° resolution and a large backlit LCD display with readouts in °F, °C, or Kelvin. The data hold function freezes the reading on the display and the screen displays the Max/Min/Avg. Readings capture a relative time stamp. Also, the offset key is used for zero function to make relative measurements. Auto power off with a disable feature.