Infrared Calibrator, Accuracy Degrees F +/- 0.3 Degrees, Target Emissivity 0.95 in, Target Size 3 in, Cooling Time Not Applicable, Overall Depth 4 3/8 in, Display Size 1 in, Heating Time Not Applicable, Emissivity Adjustability Fixed, Temperature Stability +/- 0.3 Degrees F, Minimum Operating Temperature Degrees F -40 Degrees F, Minimum Emissivity Setting 0.95, Maximum Emissivity Setting 0.95, Maximum Operating Temperature Degrees F 158 Degrees F, Digital Display Screen Type LCD. This item has been restricted from sale in the following state (s): []