Metris Model TN418LD offers a 16:1 Distance to Target Ratio. The 8-Point Laser Circle DEFINES the target area under test. A great tool for measuring SURFACE areas from -76F to 1157F. The TN418LD offers adjustable emissivity for shiny mirrored surface calculations. Measure Minimum, Maximum, Average and Differential temperatures during a scan of an object or surface. A Type-K jack accepts most K thermocouples: air, surface immersion or needle tip. Accuracy is 2% of reading. 2 x AAA batteries. AN IN-STOCK item in New York.