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: <10mA Display resolution: 0.01mm/1mil Operating Temperature: 0~40 Celsius Operating Humidity: 10~95%RH Accuracy: +/-0.03mm Minimum base diameter: 50mm Critical base thickness: 0.5mm Package Size: 105*62*30mm / 4.13*2.44*1.18in. Package Weight: 82g / 2.64oz Package List: 1 * Coating Thickness Tester 6 * Standard Pieces 1 * Instruction Manual