While handheld/personal breathalyzers are a drinkers best friend as the difference between a good night with a sweet morning or a bad night resulting in a hefty fine and lengthy jail stint is a mere 0.08%. For those who don’t drink, a breathalyzer is obviously useless. For those that do, and do so often or simply want to know precisely when they’ve had a tad too much. Sure you can get any run of the mill breathalyzer that sniffs out alcohol on your breath. ...