Item Digital Height Gauge Counter Type Electronic Digital Mechanism Electro-Motorized Construction Steel Display LCD Resolution 0.00005 in/0.001 mm 0.0001 in/0.01 mm Range 0 in to 14 in/0 to 350 mm Accuracy +/-(2.8+L/300) micron Base Cast Iron Battery Rechargeable Features Air Bearings System Digimar 816 CL Dynamic Probing System