Professional Alcohol Tester Detecting range and accuracy: 0.00%0.19%BAC (0.01.9 g/L); 0.01%BAC accuracy. The test result can be shown in g/L or mg/mL. Safe and easy to use: Blow for 35 seconds near the detector port, then wait a few seconds for the result to display. Noncontact detection is used. Compact and portable: The device features a compact design and portable size. The advanced sensor ensures measurement accuracy and convenient use. Testing result indication and alerts: If the result is 0.02%0.05%BAC (0.20.5 g/L), the screen displays Caution. If the result is 0.05%BAC (0.5 g/L), the screen displays Danger and a sound and light alarm is triggered. Use scenarios: After social events or nights out to assess driving fitness before getting behind the wheel. Workplace safety checks for fleets or safetycritical roles. Travel, events, or home use to monitor impairment and make safer decisions.