【User-Friendly Operation】 Just insert the 2* AAA batteries, then need to press the button for seconds to start, and 15 seconds to warm up, then blow to the breathalyzer tester for 3-5s and ...

The officer shines a light in your eyes and asks a bunch of pointed questions, then they stick a breathalyzer in your face. You must take the roadside breathalyzer test, right? Not so fast.

BOULDER, Colo. (KKTV/Gray News) – Researchers at the University of Colorado Boulder are trying to develop a breathalyzer that would track marijuana impairment levels in real-time. Although it ...