Doesn't work edit: replacement works, but takes forever
Edit: I received a replacement unit and although it works, it takes about 45 seconds to count down from 20 (it's not counting down seconds.) By comparison, my better BacTrack unit counts down seconds from 5, and the crappy BacTrack counts down seconds from 13. This takes too long to get working. Considering the first unit didn't work, and not everyone has a backup to compare with, I will keep this at 1 star.<br /><br />This didn't work at all for me. I have two bactrack keychain breathalyzers, which clocked me at .04. This one consistently said 0.00%. I changed batteries, and it still didn't clock any alcohol. Dangerous when we're talking about alcohol and driving, etc. do not recommend. am returning it.
Rating: 1 stars