"In our tests, [no other products] could match the wicked consistency of the AL9000.
Thank the fuel cell sensor - the same tech used in police models - which turns your boozy breath in electrical current that can be precisely measured. Most reliable of the bunch. Audible click tells you when to stop blowing. Small and light. Quick startup.
Rated 9 out of 10. Nearly flawless; buy it now. Editor's Pick."