3 digitals LCD Display Breath Alcohol Tester Analyzer(Black)

Main Features1. Advanced NM Hot-wire alcohol sensor 2. Quick response 3. SMD assembling stable performance 4. Smart MCU control 5. Direct testing process LCD indication 6. Digital LCD display with light blue backup 7. Portable and fashion design 8. Audio warning beyond pre-set limit 9. Sensor Fault Self checking 10. Battery saved design low voltage indication auto power off. 11. Use 3xAAA alkaline batteries.Specifications1. Sensor type: NM Hot-wire alcohol sensor 2. Detection Range: 0.000-0.199%BAC; 0.00-1.99% BAC; 0.00-0.99mg/L 3. Alarming Level: 0.05%BAC 0.25mg/L; 0.5% BAC 4. Accuracy: +/-10% F.S 5. Response Time: