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)