GREENWON LCD Display Mini Digital Alcohol Tester Driving Breath Breathalyzer BAC Analyzer with Mouthpieces AT-838 GREENWON LCD Display Digital Breath Alcohol Tester Breathalyzer Driving BAC Analyzer with Mouthpieces Features 1. Advanced flat surfaced alcohol sensor 2. Quick response (less 5s) 3. SMD assembling, stable performance 4. MCU control 5. Direct testing process LCD indication, BAC 0.000%,0.00 %0,mg/l 6. One key operating 7. Digital LCD display withRed backlight 8. 360 degree rotating mouthpiece 9. Portable and fashion design 10. Audio warning beyond pre-set limit 11. Sensor Fault Self-checking 12. Battery saved design, low voltage indication Note: 1. After drinking , it is recommended to wait 20 minutes before testing, because alcohol takes about 20 minutes into the blood from the digestive organs , and residual alcohol in the mouth takes time to dissipate . 2. To get a more accurate result , the distance should be at least three minutes between each test . 3. Do not use benzene , gasoline and thinners cleaning product ingredients tester . 4. Do not allow any liquid penetrated into the sensor. 5. To remind you , to you and the safety of others , do not drink and drive. For aviation security reasons, this product delivery without battery Package included 1x Digital Breath Alcohol Tester ( include 5 mouthpieces) 1 x User Manual (without battery) _x000D_