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Breathalyzer Digital LCD Alcohol Breath Tester Home & Garden Others Linux Converts a USB portDigital Alcohol Breath Tester Professional LCD Display Breathalyser Test BAC Analyzer Detector With 5 Mouthpieces Audible Alert Keychain Design Descriptions This digital alcohol breath tester is a handy tester, it can give BAC as a reference to let you know your condition after drinking, the testing results are basically the same as the Polices professional Breathalyser. When after drinking, especially for those late nights hanging out, it is