Alcohol Detector, Portable Alcohol Breath Tester LCD Display Digital Fast Breath
❤- Automatic alarm alcohol Breathalyzer: Test Range:0.00-0.19% BAC (or 0.0-1.9g/l). ✎When your test result between 0.02% BAC (or 0.2g/l) and 0.05% BAC (or 0.5g/l), It only displays the "Caution" symbol without beep alarm alert.