This device is a thermometer with a digital LCD screen powered by a 9V battery (not included). This device has the function of data retaining， display in low-voltage and so on， and features compact design， accurate measurement and convenient use.<br> <br> Features:<br> A professional digital thermometer for high temperature measurement.<br> High temperature range， up to -50~1300°C(-58～1999°F).<br> Respectively measure the T1 and T2 temperatures， and the temperature difference T1-T2.<br> The thermometer has advanced features with 3 1/2 digit LCD display.<br> Has the switch function in centigrade and Fahrenheit.<br> Has the function of data retaining， display in low-voltage.<br> With 2pcs external K-type thermocouples as temperature sensors.<br> Features compact design， accurate measurement and convenient use.<br> <br> Specifications:<br> Color: Orange and Dark Grey<br> Material: Plastic<br> Display: 3 1/2-digit LCD with the maximum of 1999<br> Sampling Rate: About 2.5 per second<br> Resolution: 0.1°C， 1°C / 0.1°F， 1°F<br> Temperature Range: -50-1300°C(-58-1999°F)<br> Storing Temperature: 0-50°C/32-122°F<br> Relative Humidity: !#!lt!*!80%RH<br> Battery: 1 * 9V Alkaline or Carbon-zinc Battery (not included)<br> Item Size: 160 * 79 * 43mm / 6.3 * 3.11 * 1.7in<br> Item Weight: 232g / 8.2oz<br> Package Size: 17 * 11 * 5cm / 6.7 * 4.33 * 1.97in (L * W * H)<br> Package Weight: 298g / 10.52oz<br> <br> Package List:<br> 1 * Digital Thermometer<br> 2 * K-type Thermocouple<br> 2 * Screws<br> 1 * User Manual (English)<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>