The digital caliper is measuring range from 0~150mm. The clear reading is in either metric or imperial format on the LCD display. The caliper is zero setting at any position and with locking screw for accuracy. The caliper is stainless and nice built body to reflect professionalism. Decent package box; Stainless and nice built body reflecting; With LCD display which powered by 2 x LR44 batteries (included); Zero setting at any position; Provides clear readings; Readings can be displayed in either metric or imperial format; With locking screw for accuracy; Measuring Range: 0~150mm; With data output: RS232