Features:<br /><br />Mini pen design with a strap、 portable<br /><br />∪?/Selection<br />Data Hold Function<br />Auto Power Shut Off<br />Low Battery Indication  <br /><br /> <br /><br />Details:<br /><br />Display: 3.5 digit on LCD display<br />Temperature range:  - 50∪ to 220∪ ( -58? - 428? )<br />Accuracy: ≤2% or 2∪<br />Repeatability: 1% or 1∪<br />Response Time : ∵ 0.8 second<br />Emissivity : 0.95 fixed<br />Working environment: 0∪ ~ 50∪<br />Relative humidity: 10% -95 RH noncondensing<br />Storage temperature: -20∪ to 50∪<br />Power: 2pcs LR44 button cells (1.5V/each)<br />Distance Spot Ratio: 1:1<br />Recommend measuring distance: 10mm to 80mm<br />Precision: 0.1∪ or 0.1?<br />Additional Function: Auto power off after 15 seconds     <br />?/∪ Selection(the little hole on the back)<br /><br /> <br /><br />Specification:<br /><br />Color: Red、 Black (color will send randomly)<br /><br />Product Size : 1.9*8.5cm/0.75''*3.35''<br />Net Weight: 20g<br /><br /> <br /><br />Package contents:<br /><br />1 PC X Infrared thermometer