For taking outside, inside, step and depth measurements. Measurement conversion in inches, millimetres and fractions. Uses one CR2032 3V battery. Conforms to EN 61000-6-3: 2007 and EN 61000-6-1:2007. Measuring range: 0-150mm/0-6" Resolution: 0.01mm/0.0005" Accuracy: ±0.02mm/±0.008" Battery Replacement Order Code: EDI-904-3240K