Features 1、With a knurled thumb roller and new processing of depthometer's grooves give better looking, smooth sliding, and accurate result. 2、This measuring tool has a quick‑change button that changes between three measuring modes: inch, fraction, and millimeter. 3、The electronic measurement range is 0‑200mm with an accuracy of 0.01mm for precise readings in all your measurement needs. 4、Comes with a black portable sturdy case for convenient storage, pressure‑proof and shock‑proof. 5、The digital reading LED display is more convenient and clear for versatility when measuring. Specification Item Type: Vernier Caliper Material: Steel Color: As shown in the picture Specification: 0-200mm Accuracy: 0.01mm Measuring Speed: ≤1.5/sec Storage Temperature: -10℃~+70℃ Working Humidity: <80% Battery Type: Button battery Battery Model: 1.5v LR44 silver oxide battery Battery Capacity: 160mAh (Included) Number of Batteries: 2 Package List 1 x Vernier Caliper 2 x LR44 Silver Oxide Battery 1 x Carry Box 1 x Instruction Manual