Electronic Digital Caliper Made of hardened stainless steel Internal, external and height dimensions can be easily and accurately measured Zero setting in any position Base measuring function: Inside, outside, depth and step measuring With easy to read large LCD display An ideal tool for a broad range of industrial and automotive applications Specifications: Measuring range: 0–150 mm/ 0–6 inch. Resolution: 0.01mm/ 0.0005 in. Accuracy: +/- 0.02mm/ 0.001 in (100-150mm) Repeatability: 0.01mm/ 0.0005 in. LCD Display Working temperature: 5-40 C Power: 1 x 1.5V LR44 (silver oxide cell) battery(No included) Note: Accutacy affected in environment exceeding 80% relative humidity No Backlight Package content: 1 x Digital Vernier Caliper 6 Inch 150mm ( No including battery ) NOTE: if you need the carrying box, please choose the carrying box option.