Tips: There is a protective film on top of our product that can be torn off!1. In order to get more reliable record as possible, advise that you should make the test at least 25 minutes after drinking.2. There are five embedded mouthpieces at the back of the product.Features:1. Smart MCU control 2. Advanced flat surfaced alcohol sensor 3. Quick response and resume 4. SMD assembling, stable performance 5. Direct testing process LCD indication, BAC 0.000%, 0.00 %0, mg/l 6. Breathalyzers with one button operating 7. Digital LCD display with light blue backup 8. Portable and fashion design 9. Audio warning beyond preset limit Sensor Fault Self checking 10. Battery saved design, low voltage indication  Description:1. Color: Black 2. Dimension: 112*61*29mm 3. Sensor type: Flat surfaced alcohol sensor 4. Working Current: ? 120mA 5. Working Environment: Temperature: -10 to 50 degree 6. Detection Range: 0.001.00mg/L 0.0000.199%BAC; 0.001.90g/L; 0.001.99BAC 7. Alarming Level: 0.25mg/L (0.05%BAC, 0.50g/L; 0.50BAC) 8. Accuracy: 10% F. S 9. Response Time: 5s 10. Resume Time: 15s 11. Display: 3 digits LCD display with light blue backlight 12. Battery: 3 x AAA Batteries( not included) 13. Battery expectancy time: 200 Times Package Include:Alcohol tester*1Mouthpiece*20Instructions*1White cloth bag*1
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