1、Large screen display, you can read it very clearly. 2、It can switch between millimeter and inch. 3、Measurement for form and position tolerance. 4、LCD display, display the measurement result and geometrical tolerances. 5、With the ZERO button, you can reset data at any position. Features: Large screen display, you can read it very clearly. It can switch between millimeter and inch. Measurement for form and position tolerance. LCD display, display the measurement result and geometrical tolerances. With the ZERO button, you can reset data at any position. Specification: Measuring Range: 0- 12.7mm Resolution: 0.01mm/ 0.0005inch Accuracy: ± 0.03mm Readout Diameter: Approx. 5.7cm / 2.2inch Readout Thickness: Approx. 1.8cm / 0.7inch Pen Length: Approx. 13.6cm/ 5.4inch Pen Head Length: Approx. 4cm/ 1.6inch Pen Diameter: Approx. 2.5cm/1inch Battery: 2pcs * 3V CR2032 button cells (NOT included) Weight: Approx. 209g / 7.4oz Package List: 1 x Remote Type Digital Indicator 1 x Bracket Instructions: The display is in imperial system when small font "5" and "IN" is displayed. MM/IN: Millimeter and inch standard conversion ON/OFF: Power switch button ZERO: Data reset(zeroing) at any position