Alcoscan AL6000 Professional AL 6000 is world first and only dual-mode breathalyzer. Simply the best and most accurate portable breathalyzer on the market. Indication of B. A. C.: 0. 00 ~ 0. 40 BAC with LED display, up to 5x the legal limit of 0. 08 Accurate enough for LAW ENFORCEMENT USE, and cost effect enough for personal use. Quick and easy to use, lightweight and compact to carry. This product is DOT and CE approved! ! !