Internal Digital Caliper Gauge Range 0.4 in to 1.2 in 10 mm to 30 mm Resolution 0.0002 in/0.005mm Accuracy +/-0.0012 in Dimension Type Inch/Metric Jaw Actuation Type Lever Jaw Depth 2.165 in Maximum Measurement - Inch 1.2 in Maximum Measurement - mm 30 mm Measurements Inside Minimum Measurement - Inch 0.4 in Minimum Measurement - mm 10 mm Operation Type Digital Battery Size CR2032 Display Type 170 Degree Rotating Display with Digit and Analog Reading