Portable Breath ~ Professional Breathalyzer Dial LCD Display Auto Power Off Sound Alarm for Drivers

accurate meter: the with profeional airway design and high-precision semiconductor r, test your concention (BAC) more accurately and faster. Test winner with 99.1%, range of 0.00% ~ 1.9% BAC / 0.0 ~ 1.9 g/l. Clear illuminated LCD display shows the test result directly.Easy to use: , simply insert 2 AAA batteries (not included), turn on your . Wait 20 seconds to warm up, then you can start testing. The turns off automatically to save power when no operation is done for 10 seconds.[Acoustic warning]If the BAC result exceeds certain values, this breathalyser es sounds to inform you so you can e a better judgment. the display is more than 0.050% BAC or 0.500% BAC or 0.250mg/L (BrAK), the emits an alarm.Compact and portable: this comes with 14 interchangeable mouthpieces. They can be cleaned and reused, which is good for hygiene. r compact design, fits in your pocket and is easy to hold and carry wherever you go. Perfect for drivers.Colour: blackMaterial: ABSPackage Contents:1 * 4 * NozzleOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the ture a little different from the real thing. The measurement allowed error is +/- 1-3cm.