Dust/waterproof Button function: on/off, zero, mm/inch, data preset, tolerance, change measuring direction, max./min./TIR measurement, absolute/incremental measurement Keep preset data and tolerance data in memory after restart CR2032 battery, automati Dust/waterproof Button function: on/off, zero, mm/inch, data preset, tolerance, change measuring direction, max./min./TIR measurement, absolute/incremental measurement Keep preset data and tolerance data in memory after restart CR2032 battery, automatic power off Data output Optional accessory: data output cable (code 7315-50M, 7302-40M, 7305-40M), backs (page 176~177), contact points (page 173~175)