? Precise Measurement: With a range of 0-6''/0-150 mm, a resolution of 0.01''/0.1 mm, and an accuracy of +/- 0.2 mm/0.01?, this digital caliper provides perfect, accurate measurements for household and DIY projects. Choose stainless steel for enhanced precision. ? Versatile 4-Mode Measurement: This caliper is equipped to measure inside and outside diameters, depth, and step using two sets of jaws and a probe. Comes with a pre-installed battery and an extra for added convenience. ? Inch/MM Conversion: Switch effortlessly between inch and millimeter measurements with a single button, saving time on each job. Made with durable, portable plastic carbon fiber composite buttons. ? Zero Setting Function: Easily reset to zero at any point on the scale, ideal for differential measurements and quick adjustments. ? Large LCD Auto-Off: A large, easy-to-read LCD screen provides quick, precise results. Auto-off feature saves battery by powering down after 5 minutes of inactivity.