?Rechargeable for Convenient Use?Say goodbye to disposable batteries-the caliper measuring tool is equipped with a built-in rechargeable battery, eliminating the annoyance of frequent battery replacements. Charge fully in 20 minutes,for 3-month continuous use.More energy-efficient and environmentally friendly than other digital calipers.Featuring a Type-C charging interface, our digital caliper measuring tool offer remarkable charging efficiency.This means you won't have to worry about running out of power during important measurement tasks or a DIY project at home ?Precise Accurate ?Manufactured with precision glass coral technology, we offer a longer lifespan compared to standard materials.Engineered with 0-6 inch measuring range, 0.001"/0.02mm and 0.0005" resolution,micrometer caliper digital ensures trustworthy measurements for household repairs or model crafting. Verify thread sizes, resin print layers, or jewelry dimensions with confidence ?3 Unit 4 Mode?Instantly toggle between inch/mm/fraction readings while utilizing four measurement modes (inner/outer diameter, depth, step). 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 ?Stainless Steel Material?Crafted with high-quality stainless steel, this caliper ensures smooth sliding action and long-lasting durability compared to traditional copper-scale models. The polished edges and ergonomic thumb roller reduce hand strain during repetitive tasks like measuring parts or 3D-printed prototypes ?Large LCD Screen Auto Off?The easy-to-read LCD screen of the high quality digital caliper 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