▲〖CHECK VIDEO QUICKLY〗Please Check out our VIDEO on the left side and take a quick tour of Allsun paint thickness tester EM2271 multi functions Thickness Meter tester. ▲〖EASY OF USE〗Automatic Calibration Data Hold Mini Size with LCD Display, It can measure the thickness of many nonmetallic substance(Measuring range is 0.0 to 2.0mm or 0 to 80 mil).The mainly function is measuring car paint thickness. ▲〖MULTI FUNCTIONAL〗Allsun digital coating thickness gauge accurately measures automotive paint thickness.Designed to non-destructively measure the thickness of non-magnetic coatings on iron,steel or aluminum. ▲ 〖ABOUT STARTS UP〗 Power supply by 1 piece 3V button cell, CR2032 or equivalent.( Move the battery's insulating piece away before using ),Two units available:mm/mil. ▲ 〖MINI THICKNESS METER〗The paint thickness meter is use to measure thickness and check for body filler, is not need calibration, the packaging list is not includes Calibration plates., Manufacturer: Zhangzhou Haimao Dianzi Keji Co., LTD