পোর্টেবল শ্বাস অ্যালকোহল টেস্টার

Blue Backlight Breathalyzer Alcohol Tester with Five Mouthpieces Exchangable Specification: 1. Advanced flat surfaced alcohol sensor, high sensitivity. 2. Rapid detect results,quick response and resume. 3. High accuracy, detection range: 0.000-0.199% BAC / 0.00-1.99‰ BAC / 0.00-0.99 mg/L. 4. Easy to use, Light weight. With a bag for it, easy to carry. 5. Low power consumption, auto power-off. Long span life. 6. Sensor fault self checking. 7. Blue-colored backlight LCD display