Description: 1. Brand new,portable and fashion design. 2. Advanced flat surfaced alcohol sensor. 3. Rapid detect results, quick response and resume. 4. High quality and high accuracy and high sensitivity. 5. After drinking,just a quick test,then you will keep your driving licence saftely. 6. SMD assembling, stable performance. 7. Smart MCU control. 8. Direct testing process LCD indication. 9. Digital LCD display with light blue backup. 10. Audio warning beyond pre-set limit. 11. Sensor fault self checking. 12. Battery saved design, low voltage indication. 13. Just a quilk check,then you can drive in confidence and safety.
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