Extech 42570 Dual Laser InfraRed ThermometerExtech 42570 Dual Laser InfraRed Thermometer Dual Laser InfraRed Thermometer High IR Temperature Range Fast 100mS response with highest accuracy at point where dual lasers converge plus Type K input and USB interface Key Features: High 50: 1 distance to target ratio measures smaller surface areas at greater distances Dual Laser Targeting indicates ideal measuring distance when two laser points converge to 1 target spot Type K thermocouple input from