Coating Thickness Gage, Maximum Thickness Measured 8 mil, Minimum Thickness Measured 0 mil, Thickness Measurement Accuracy +/- 0.04 mil up to 0.8 mil; +/-5 Percent Over 0.8 mil, Calibration Certificate Type NIST, Display Type Analog, Compatible Material Steel, Includes Soft Carrying Case, Wrist Strap, Manufacturer Warranty Length 2 yr, Batteries Included No, Battery Chemistry Not Applicable, Battery Run Time Not Applicable, Battery Size Not Applicable, Battery Voltage Not Applicable. This item has been restricted from sale in the following state (s): []