Features: Perfect Measuring Tool: Paint thickness meter can accurately measure the thickness of non-metal coating over the metal. Easy to Read: Coating thickness tester adopts LCD digital display, automatic calibration, easy and clear to read. Advantages: Easy operation, automatically shut-off if no operation in 1 minute, rapid measurement, safe usage and portability. Measuring Range: Measuring 0~1.80mm/0~71.0 mil nonmetal coating on metal surface. Mm/mil two units are available and switchable. Special Instructions: The "Fe" means magnetic metal panel while "NFE" stands for ncon-magnetic metal panel. Specifications: Material: ABS Color: White, Blue, Orange Power Supply: 2 x 1.5V AAA battery (NOT INCLUDED) Working Current: