LCD Digital Display: - measurement results can be read over time and measurement values can be converted between inches and millimeters. Strong magnet: - the strong magnet on the bottom absorbs the workpiece, which is convenient for measurement. Multifunction: - one button reset, inch and millimeter conversion, measurement data storage, manual and automatic shutdown. Depth measuring stick: - can be used to measure the depth of the gap space. The detachable design takes up no space and is easy to use. Perfect for: - woodworking, sawing, router and router tables, etc. Product description Main material: nylon The black color Measuring range: 0-85 mm Hole depth: 0-50 mm Resolution: 0.01 mm Accuracy: 0.2 mm Key: ON / OFF, mm / inch, ZERO, HOLD Battery: 1 * CR2032, 3V button cell (not included) Ruler holder height: 100 mm Rule holder width: 60 mm Package size: 205 * 125 * 20mm / 8.1 * 4.9 * 0.8in Package weight: 106 g Packing list: 1 * digital caliper 1 * removable depth gauge