Drinking and driving is not cool. Not only it is illegal, but it can destroy lives too. That’s why, after drinking, it is better to check if you are fit to drive yourself than say, getting caught by a cop and be charged for DUI. But how do you do that? Here comes BACtrack Go Keychain Breathalyzer to your rescue. It’s a handy device that allows you to check your blood alcohol levels just by breathing into it. It provides accurate results, comparable to professional breathalyzers. If used correctly, it can be a real lifesaver for you, and for others.