Feature:1. Has a smart microprocessor with high accuracy for you to broadcast. When your blood wine content exceeds the limit, it will tell you whether it is suitable to drive in time through a sound alarm and escort you.2. Nanomaterial semiconductor sensor with highperformance chip, so that the sensitivity is faster, the accuracy is higher, and the antiinterference ability is stronger.3. Suitable for various occasions, company gatherings, bar hangovers, couple dating, family gatherings, and friends gatherings. It lets you know if you have exceeded the standard, how much you drink, and how long you can recover.4. It adopts a handheld blowing design, which is easy to use and quick to respond and LED backlit digital display makes it easy to read at night and during the day.5. In a convenient and efficient design concept, allows you to measure the wine concentration anytime, anywhere, and travel safely and healthily.Specification:Condition: 100% Brand NewItem Type: BreathalyzerColor: Black and BlueMaterial: ABS PlasticSensor: High sensitivity semiconductor drinking sensorTest Range: 0.00-0.19%BAC (0.1-1.9g/ L)Wine: -0.01-0.02%BAC (At 0.05%BAC alarming point)Warm-Up Time: 10 secondsBlowing Time: Less than 10 secondsReaction Time: <5 secondsAutomatic Shutdown: Display results after 10 secondsProduct Size: Approx. 108x50x30mm/4.3x2x1.2inWorking Environment: 0-45°C Package List:1 x Breathalyzer1 x Description5 x Blowing Mouth