1、Made of high‑quality stainless steel, high strength, stable characteristics and high reliability. 2、This product has mm/inch measurement system conversion function, easy to use. 3、With a relatively large LED display, easy to read, can be read directly and clearly. 4、Accurate measurement, fast display of the measured value on the screen and no overspeed error. 5、Wide application range, widely used in various types of DIY measurement. 1 x Digital Vernier Caliper 1 x User Manual 1 x Cross Screwdriver Item Type: Digital Vernier Caliper Optional Style:150mm, 200mm, 300mm Size: Approx. 150mm / 5.9in200mm / 7.9in300mm / 11.8inMaterial: Stainless steelBattery Model: LR44(Built-in)Battery Capacity: 160mAhAccuracy: 0.01mm