Backlit Digital Indicator Series Series 543 Resolution 0.001 mm 0.00005 in Accuracy +/-0.0001 in Range 0 in to 0.5 in Long Form Calibration Certificate Yes Features Absolute Encoder Scale Red/Green Go/No Go Display Analog Display Max/Min/TIR/Hold Selectable Resolutions External Power Supply On/Off Zero-Set Preset Change Counting Direction Inch/Millimeter Functions and SPC Output Port with Dust Cap Includes External Power Supply