Resolution 0.001mm/.00005"IP65 dust/waterproofButtons: on/off, set, mm/inch, ABS/INC. Data output. LR44 battery, automatic power offRatchet stopOptional accessary: data output cable (code 7315-30, 7302-30), setting ring (code 6312), micrometer stand and clamp (code 6301 and 6301-2)