General description This electronic caliper is a perfect measuring tool for home or DIY projects, featuring a large LCD display for instant readings and quick unit conversion between millimeters and inches. With a measuring range of 0-150mm/0-6", it offers high accuracy and multiple measuring modes to meet various needs. Technical specifications Measuring range: 0-150mm/0-6" Accuracy: ±0.001"/0.02mm Resolution: 0.0005"/0.01mm Construction material: Carbon fiber Usage Four measuring modes: inner diameter, outer diameter, step, and depth Simple operation: press a button to turn on, automatic shut-off after 5 minutes of inactivity