Features Wide Application: Wide application range, widely used in various types of DIY measurement. Jewelers, enthusiasts, carpenters and DIY can all use the digital vernier caliper. LED Display: With a relatively large LED display, easy to read, can be read directly and clearly. Accurate measurement, fast display of the measured value on the screen and no overspeed error. Easy to Measure: Easily measure depth, step length, outer diameter and inner diameter, so that all your objects can be measured. Units Conversion: The digital vernier caliper has mm/inch measurement system conversion function, easy to use. Stainless Steel Material:​ The digital caliper is Mmade of high‑quality stainless steel, high strength, stable characteristics and high reliability. Specification: Item Type: Digital Vernier Caliper Optional Style:150mm, 200mm, 300mm Size: Approx. 150mm / 5.9in 200mm / 7.9in 300mm / 11.8in Material: Stainless steel Battery Model: LR44(Built-in) Battery Capacity: 160mAh Accuracy: 0.01mm Package List: 1 x Digital Vernier Caliper 1 x User Manual 1 x Cross Screwdriver Package List 1 x Digital Vernier Caliper 1 x User Manual 1 x Cross Screwdriver