It is used by professionals and amateurs, jewelers, amateurs, carpenters, mechanics,, auto mechanics It has automatic on / off, and the IP54 rating provides high liquid and resistance Large LCD screen display the measurement results clearly, no difficulty of reading lines High and accurate measurement, helpful in working ,, and practical, can be used for a long time It can easily convert inches, millimeters and fractions in a hand tool, and can also measure internal / external dimensions, diameters, steps and depth gauges, Manufacturer: Kaeltsyn