Breath-Type Traffic High-Precision Alcohol Tester Drunk Driving Detection Instrument 1. Built-in purification chamber, scientifically filtering, retaining alcohol and removing impurities, resulting in more accurate detection 2. DFFA dual filtering algorithm, based on high-precision chips, intelligent sensors filter other impurities, without loss of alcohol reception, and measurement is more accurate 3. ASIC chip, specifically for overnight alcohol testing. Based on intelligent chips, high-precision sensors filter other impurities, only retaining alcohol, ensuring stability and accuracy during the sampling process 4. Compact and portable, easy to store 5. Quick charging, worry-free battery life. USB charging, easy to charge anytime, anywhere 6. Excessive alcohol detected, buzzer alert. The alcohol machine makes a beep beep sound alert, and depending on the alcohol content, there will be corresponding lights (green, yellow, red) indicating 7. Quick detection, no need to use a pipette, non-contact and hygienic 8. High-definition display, detection results are shown in red, yellow, and green colors, making it clear whether it is drunk driving at a glance 9. Battery capacity: 200mAh 10. Size: about 10.3 x 3 x 1.9cm