HARDELL Digital Caliper, Rechargeable Vernier Calipers with Large LCD Screen, Stainless Steel Caliper Measuring Tool, Auto Off Micrometer, Inch/MM/Fraction for DIY/Household/3D printing, 150mm/6Inch

【Rechargeable for Convenient Use】This digital caliper has a built-in rechargeable battery. A quick 20-minute charge gives you 3 months of use, saving you the hassle of frequent battery replacements when measuring or doing home DIY projects. It's more energy-efficient and environmentally friendly than digital calipers that use disposable button cell. 【Precise & Accurate 】HARDELL digital calipers utilize a high-precision glass grating, which is more stable, accurate, and has a longer life than most vernier calipers with copper gratings. Easily reduce errors and ensure reliable measurements for home repairs or model making with our caliper measuring tools. 【3 Unit & 4 Mode】The digital caliper can be one button Fraction/Inch/Millimeter quickly switch while utilizing 4 measurement modes (depth, step, external and internal diameter). This digital measuring tool is designed for electricians verifying conduit sizes, jewelers setting gemstones, or woodworkers crafting dovetail joints - one tool adapts to diverse professional needs. 【Large LCD Screen & Auto Off】The easy-to-read LCD screen of the high quality digital micrometer displays measurements in any light - essential for low-light garage repairs or sunlit construction sites. Never squint at tiny numbers again. Auto shutdown for saving battery after 5 minutes if without operation. 【Stainless Steel Material】Crafted with high-quality stainless steel, this digital vernier caliper ensures smooth sliding action and long-lasting durability. The polished edges and thumb roller reduce hand strain during repetitive tasks like measuring parts or 3D-printed prototypes.