Compact and Portable: The lightweight, handy design makes the alcohol tester easy to carry anywhere. Ideal for parties, travel, or daily use, so you have a reliable BAC check on hand. Breathalyzer with professional design: Features a professional airway design and a precision semiconductor sensor. Displays blood alcohol levels quickly and accurately to help you decide whether to drive after drinking. precision for and professional use: Advanced sensor technology enables accurate promille measurements suitable for both use and professional applications. Trust in precise results at any time. Builtin purification chamber: Purifies impurities, leaving only alcohol behind, avoiding growth inside the blowpipe and no contact with the blowpipe, for more accurate testing and healthier measurements. Practical use scenarios: After a social event, verify your BAC before deciding to drive. While traveling or at gatherings, monitor your level discreetly to plan safe transportation. In small work or fleet settings, conduct quick checks to support safety and compliance.