External Digital Caliper Gauge Range 0 in to 0.8 in 0 to 20 mm Resolution 0.0002 in/0.005mm Accuracy +/-0.0012 in Dimension Type Inch/Metric Jaw Actuation Type Lever Jaw Depth 3.150 in Maximum Measurement - Inch 0.8 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