Item Digital Height Gauge Counter Type Electronic Digital Mechanism Thumb Roll Construction Steel Display LCD Resolution 0.0005 in/0.01 mm Range 0 in to 6 in/0 to 150 mm Accuracy +/-0.001 in/0.02 mm Base Cast Iron Screw Clamp Lever Locks Scriber at any Position Battery (1) 3-Volt CR2032 Features Manual On/Off Plus a Built in Automatic Off After 5 Minutes of Nonuse Includes Scriber