The BACtrack S80 Professional Breathalyzer costs a bit more than the other models on our list, but it also provides the most accurate measurements.

In our tests, the BACtrack was within 0.01 percent from the police equipment we compared it with, making it the only breathalyzer we tested to prove nearly as accurate as the police hardware.

A BACtrack spokesperson said the S80 is used by hospitals, researchers and law enforcement agencies, typically to determine if someone should be brought in for further testing.

Best overall — BACtrack S80 Professional Breathalyzer ($125) Image used with permission by copyright holder. The BACtrack S80 is one of the most advanced breathalyzers on the market.

Check Latest Price Our Verdict on the Best Breathalyzers. Our top pick for the best breathalyzer is the BACtrack S80 Professional Breathalyzer.This portable breathalyzer is a high-quality product ...

In the thick of summer it’s easy to get swept up in the thrill of lazy lake days and pool parties. One minute you’re lounging on a giant pool float sipping a hard iced tea and before you know ...

The $149.99 BACtrack Mobile Breathalyzer travels well and syncs wirelessly with iPhones, but be careful not to overshare on social-networking sites.

BACTrack syncs to your smartphone (you’ll need a phone equipped with Bluetooth 4.0) and will display your BAC (blood alcohol content) through the BACTrack app, available for iOS or Android.

The breathalyzer lasts for about 1,500 tests on two AA batteries. You get six mouthpieces to keep buddies safer too. The BACtrack also saves your last ten readings.

BACtrack Mobile breathalyzer is adding a new feature so you can demand someone conduct a breath test remotely. It can even make sure they don't get someone else to do it.