About precision and zero / absolute function I need I do not write. What is As the unit top. Unfortunately, however, he has the same disease who previously had all calipers that I have my own called: If you let a good piece off for 2 weeks in the case in the drawer thinks it eventually having to power itself. Because no fix helps to 0 with the locking screw. And if you need it then sometime later, the battery is dead. Just annoying! So: After use, remove the battery and store without battery! Otherwise you can not get behind with the sale of new LR44H button cells.
