Merwlukt Breathalyzers, Alcohol Tester with 30 Mouthpieces
Merwlukt Breathalyzers, Alcohol Tester with 30 Mouthpieces, High-Accuracy Alcohol Breathalyzer Tester Breathalysers, Professional Alcohol Breath Tester with LCD Digital Display for Home Party Use Tip: 1. The test result will be displayed for 10s and then the breathalyzer will automatically shut down. 2. When using the breathalyzer for the first time or if it has not been used for a...