1. The breath alcohol tester uses an advanced nano-semiconductor alcohol sensor to quickly and accurately detect the breath of alcohol 2. Detection range: 0.000-0.20% bac & 0.0 -1.9 g / l 3. Accuracy: 0.05% + /--10% bac 4. Battery saving design, low voltage indication 5. Direct LCD display of test value 6. Audio warning exceeds preset limit 7. Pre-set limit: 0.05% alcohol content 8. Operating time: preheating 15-30S, reaction time less than 5s, automatic shutdown: about 1 minute 9. Battery: 1.5 v AAA x 2 (not included)
