This coating thickness gauge is designed to measure the thickness of non-magnetic coatings like paint, enamel, epoxy, plastic, etc.) on copper, iron, steel, aluminum, zinc and more not-destructively. With a big LCD to display the data and the battery status. Features Compact and lightweight, portable to carry. Big LCD to display the data and battery status for you. Powered by one 3V CR2032 button battery. Measure the non-magnetic coating thickness on iron, steel, aluminum, etc. Warm Tips: 1. The accuracy is ensured under 23℃±5℃, and relative humidity≤75% environment. 2. 1mil = 25.4 micron. Specifications Model EM2271 Measuring Range 0.0mm-2.0mm/0mil-80mil Accuracy 2%±0.1mm, or 2%±4mil Resolution0.1mm/1mil Battery Type3V CR2032 button battery Product Weight23g (including battery) Product Size6.9 x 3.8 x 2 cm Package Contents1 x Coating Thickness Gauge1 x Button Battery