Item Package Quantity: 1   Product Description    AA168N Professional Breathalyzer is the maccurate breathalyzer in the  family, delivering reliable BAC results, with police-grade accuracy. From being used as an alcohol detector for employees in businesses, to acting as an alcohol tester for patients in clinics or treatment centers, the S80 is perfect for a variety of professional alcohol sensing, detecting and testing applications. And because of its reliability and portable design, it's also great as a personal BAC breathalyzer. Help friends and family make better decisions while drinking with the accurate and affordable  S80 alcohol Breathalyzer.       Semiconductor alcohol tester (rechargeable) AA168N     Main specifications/special functions:   •Personal Alcohol Tester   • Features:   1. Advanced semiconductor sensors   2. Quick response   3. Stable performance   4. Pocket size and simple user interface   5. Compact and slim   6. Digital display with 3 decimal points with two-color backlight   7. Unit conversion   8. Battery monitoring and low voltage warning   9. Rechargeable         • Technical Information:   1. Measuring range: 0.00 to 1.00mg/L, 0.00 to 2.00g/L, 0.00 to 0.20% BAC, 0.00 to 2.0% BAC   2. Accuracy: alarm point ± 0.015% BAC   3. Power supply: 1 3.7V rechargeable lithium battery (10440)   4. Working environment:   5. Temperature: 0 to 50°C   6. Relative humidity: ≤93%RH   7. Warm-up time: <18 seconds   8. Response time: <6 seconds   9. Weight: less than 60g (without battery)     Accessory: 4 pcs Mouthpieces