- Professional Breath Tester: Includes 1 breathalyzer, 1 USB data cable, and 1 user manual. This high-sensitivity and high-precision alcohol tester enables quick alcohol level measurements, allowing you to make informed decisions before driving after drinking. - Advanced Sensor Technology: Equipped with a premium sensitive sensor, this alcohol tester ensures stable, interference-free results. It requires no mouthpiece and features contactless blowing, promoting a healthier measurement process. Test range: 0.00% - 1.9% BAC / 0.0 - 1.9 G/L, measuring at an optimal distance of approximately 10 cm from the mouth. - User-Friendly Operation: Operating the alcohol tester is simple, featuring a one-button design. Press and hold the power button to activate. After a quick 10-second warm-up, blow for 5 seconds. Results are clearly displayed after a beep, with automatic shutdown indicated by flashing lights. - Compact and Portable: This lightweight alcohol tester easily fits into any handbag or pocket, making it convenient for on-the-go use. The included USB cable allows for swift charging through any USB port, ensuring you’re always ready for a quick check. - Practical Use Cases: Perfect for social events such as weddings, parties, festivals, or family gatherings; it helps you ensure you are fit to drive. It's an essential tool for responsible drinking, providing peace of mind whenever you choose to enjoy a drink. The professional alcohol tester is designed for accuracy, ease of use, and portability, making it an indispensable companion for social situations where drinking may occur.