4 ms·The proper term for calipers, for me, is Mitutoyo. I really want one of the solar models.by eth0up 2y agoThe proper term for calipers, for me, is Mitutoyo. I really want one of the solar models.janci 2y agoWhy tho? The coin cell battery lasts years.eth0up 2y agoI loathe disposable batteries.