Mitutoyo Flat-Back Digimatic Indicator 0.5" ID-S112TB
Display: LCD (Character height: 8.5mm)Functions: Origin-Set, Power on/off, ± Counting directions, Inch/mm conversion (inch/mm model only), SPC data outputBattery: SR44 (1 pc.) (938882)Battery life: Approx. 20,000 hours in continuous use