A breathalyzer is a device for estimating blood alcohol content (BAC) from a breath sample. It uses semiconductor alcohol sensing technology to quickly analyze a breath sample and provide a BAC estimate. The LCD display shows the result with visual indicators: “Caution” for 0.02%–0.05% BAC, and “Danger” for 0.05% BAC or higher. Features: - Digital display breath alcohol tester - Audible alert - Color: Black - Material: ABS - Measurement range: 0.00–0.19% BAC / 0.0–1.9 g/L - Response time: < 5 seconds - Total test time: < 10 seconds - Accuracy: ±0.01% BAC / ±0.1 g/L - Auto power-off - Red LED backlight - Operating temperature: 10–40°C - Operating humidity: 40–90% RH Package includes: 1 × Breath Alcohol Tester. Note: Actual product color may vary slightly due to screen settings and lighting conditions. Measurement tolerance applies as specified by industry standards.