【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 ...
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 ...
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