To buy a reliable Blood Alcohol Content (BAC) meter (breathalyzer), you should prioritize over cheaper semiconductor models for police-grade accuracy . Professional-grade models typically range from $80 to $150, while basic personal units can be found for as low as $15 to $50. Top Recommended Models

Based on recent 2024–2026 reviews from Business Insider and Compare.com , these are the top picks for personal use: : BACtrack Trace Professional

. A compact option that can connect to a phone app or work as a standalone unit, providing a "ZeroLine" estimate of when you will be sober. : AlcoMate Revo