3 digitals LCD Display Breath Alcohol Tester Analyzer, Alcohol Tester 3

1. Advanced NM Hot-wire alcohol sensor
2. Quick response
3. Smart MCU control
4. Direct testing process LCD indication
5. Digital LCD display with light blue backup
6. Portable and fashion design
7. Sensor Fault self-checking
8. Battery saved design, low voltage indication
9. Applicable to driving and dangerous work