HIGH ACCURACY: The portable breathalyzer uses professional airway design and high precision semiconductor sensor. It can quickly and accurately detect alcohol level in your body in seconds, to provide you with high-precision test results, making you to do smarter decisions while drinking. Detection range: 0.000-0.190％BAC / 0.000-0.950 mg / L 3 UNIQUE FEATURES: A) the breathalyzer test rating is adjustable…
![JASTEK Breathalyzer, [Upgraded Version] Professional Portable Digital Breath Alcohol Tester with 5 Mouthpieces -Black](https://images-na.ssl-images-amazon.com/images/I/41CO0nOyE6L._SS300_.jpg)