Breathalyser afm 5 is more than an ordinary breathalyzeryou can use this compact but highly accurate device in combination with a smartphone and the app alcofindsimilar to the ace one breathalyzer it contains a high class fuel cell sensor the same kind that is also included in devices used by authoritiesthe app alcofind works on android smartphones as well as on those using ios of course you can download it for free in the appstore or google play after pressing the power button the a