The large easy to read display reads in inches with fractions or millimetres. The fractions are displayed using "Precise Fraction Technology" which gives you 4 times the accuracy of other fraction readouts. The decimal inches are displayed in 0.002" increments and the millimetres in 0.1mm increments.
Measuring Height: 3" (76mm)
Measuring Depth: 2" (51mm)
Resolution: Decimal= 0.002", Fraction= 1/32", Metric= 0.05mm
Accuracy: Decimal= +/-0.004", Fraction= +/- 1/250", Metric= +/-0.1mm
Battery: Type CR2032
Functions: Inches, Millimetres, ON / OFF / ZERO, ABS / INC, Auto Shut Off