ITEM NAME:Digital Painting Thickness Meter LCD Car Coating Thickness Gauge Width Measure Product Description Description: Features: No calibration is needed, it is more convenient and quick. Aluminum and iron can be tested. If you use automotive mode to measure the thickness of automotive  paint, there is no need to calibrate, so it will be more convenient and  stable. Please note that this equipment is only used to measure the  thickness of non-metallic coatings, and can not be used to measure the  thickness of metallic coatings. Specifications: Measurement range: metal surface 0~1.80mm / 0~71.0 ten million metal coating Accuracy: Â ±0.1mm Power supply: 2 x 1.5 V AAA battery (not included) Minimum base diameter: 50mm/1.97" Critical base thickness: 0.5mm/0.02" Screen resolution: 0.03mm / 1mil Working temperature: 0~40Â °C Working humidity: 10~95%RH Size: 100*62*25mm/3.94*2.44*0.98" Notes: 1. Due to the different monitor and light effect, the actual color of  the item might be slightly different from the color showed on the  pictures. Thank you! 2. Please allow slight measuring deviation due to manual measurement. Included: 1 X Thickness Gauge 1 X Russian Manual.Included: 1 X Thickness Gauge. Critical base thickness: 0.5mm/0.02". Screen resolution: 0.03mm / 1mil. Accuracy: Â ±0.1mm. Aluminum and iron can be tested. Warranty Service. If item is defective after 3 months, you can still send it back to us.