Paint Thickness Gauge: The paint thickness gauge is an economical choice for measuring the thickness of coated and coated sheet metal, such as paint/enamel/chrome on steel, paint and anodized coating on aluminum/copper. Automatic Reading: This paint thickness gauge is designed with dual technology that allows testing of surface coatings by providing automatic recognition of both ferrous and non-ferrous substrates. LCD Display: The paint depth thickness gauge with high-contrast LCD backlight displays metal type, operating mode, number, battery status and readings either in µm or millimeters. Calibration Sheets: This paint thickness tester comes with a set of calibration sheets. If you feel there is an error in the measurement, you can correct it in time [Versatile Applications] Ideal for checking the thickness of car paint, such as used paint, powder coating, anodized aluminum, bathroom accessories, bicycle frames, furniture, swings, cabinets, cupboards, computers, appliances. The car paint thickness gauge allows the user to quickly identify vehicle damage not reported in condition reports, including hidden touch-ups, vehicle impact damage, vehicle repainting and filled body panels. Material: ABS Resolution: 0.01 mm/1mil Measuring range: 0-2000UM Measurement accuracy: ±(3%+1UM) Power supply: 2 x 1.5V AAA batteries (not included) Operating temperature: -10 degrees Celsius to 50 degrees Celsius Size: (approx.) (LxWx thick) 110x52x25MM/4.3x2.04x0.98inch