External Digital Caliper Gauge Range 0 in to 8 in 0 to 20 mm Resolution 0.0005 in/0.01mm Accuracy +/-0.0016 in Dimension Type Inch/Metric Jaw Actuation Type Lever Jaw Depth 2.362 in Maximum Measurement - Inch 8 in Maximum Measurement - mm 20 mm Measurements Outside Minimum Measurement - Inch 0 in Minimum Measurement - mm 0 mm Operation Type Digital Battery Size CR2032 Display Type 320 Degree Rotating Display with Digit and Analog Reading