Extech EXT42545 Thermometer Infrared Heavy Duty Series 42545, Green,50:1

Large sight for ease of reading Diameter = 1 3/4 Measures surface temperature from -58 to 1832F (-50 to 1000C). 50 to 1 distance to target ratio (Example: at 50" distance measures 1" area) Laser pointer improves aim Adjustable emissivity from 0.1 to 1.0 for use on most surface areas Bright white LED backlit display Measures surface temperature from -58 to 1832F (-50 to 1000C). 50 to 1 distance to target ratio (Example: at 50" distance measures 1" area) Laser pointer improves aim Adjustable emissivity from 0.1 to 1.0 for use on most surface areas Bright white LED backlit display