【Precision Vernier Caliper】- The digital caliper has a measuring range of 0 - 6''/ 0 - 150 mm; accuracy at ±0.001"/0.02 mm and resolution at 0.0005"/0.01 mm. Perfect and precise micrometer for household or DIY measurements. 150 mm measuring tools are always used by professionals and amateurs, jewelers, hobbyists, woodworkers and DIY enthusiasts. 【IP54 Waterproof & Stainless Steel Material】- The waterproof digital caliper is made of top-class STAINLESS STEEL, WATERPROOF, rustproof, which has a solid frame with a locking head. Polished stainless steel frame and thumb pulley that slides smoothly, sturdy and durable, long service life, easy storage and transport. 【Auto Shut-Off & 【2 Batteries Included】- The digital caliper will automatically turn off if there is no operation in 6 minutes, which will greatly save the battery life. In addition, the package contains 2 3V CR2032 batteries in total. (1 has already been installed inside and 1 batteries for backup.) 【4 Measuring Ways & Large LCD