Usage Tips: feature: 1. Function: The thickness gauge is used to measure the thickness of metal coatings and coatings, such as paint/enamel/chrome on steel, paint and anodized coating on aluminum/copper . Automatic detection of substrate properties. 2. Scope: This instrument is used for non-destructive thickness measurement of coatings and paints. It is an essential equipment for material surface treatment. It is widely used in manufacturing, metal processing, chemical industry, commodity inspection and other fields. It can also work from stably in laboratories, workshops and outdoors. 3. Small size, high precision: 1um ultra-precise resolution, 0-2000um automotive paint. For FE/NFE coating measurements. 4. Power display: with battery power indicator, automatic shutdown function. 5. Included: Includes feeler gauge, instruction manual and calibration sheet. Specification: Certificate: CE With backlight or not: Yes Model: Thickness gauge Measurement range: 0-2000UM Measurement accuracy: (3% + 1 UM) Power supply: 2 x 1.5V AAA batteries (not included) Operating temperature: -10 degrees Celsius to 50 degrees Celsius Material: ABS Dimensions: approx. 122 x 50 x 22mm/4.8 x 1.97 x 0.87in Color: Black Notice: Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color showed on the picture. Thank you! Due to manual measurement, please allow 1-2cm measurement deviation.