... Breathalyzer, with lcd display Alcohol tester with wireless printer, digital alcohol tester, fuel cell alcohol sensor. Healthy anti-return mouthpieces Fashioned colorized LCD indicationi Real ... testing available Printer and computer communication optionalSensor : Fuel cell Alcohol sensor Power: 2×AA batteries, rating capacity: 2. ... 30s Working Hum Range: < 95%RH (No Dews) Alcohol Tester, Breathalyzer