We provide you with an accurate tool to help you records your own or others blood alcohol content. Whether you are using this as a fun, informative tool at a party to check everyone’s alcohol level or as a way to make sure someone is safe to drive, you can trust in the accuracy of this device. Quick Reading Blow for 3-5 seconds and quickly get your reading in 10 seconds Long-Lasting Battery The battery can last up to 3 months on a short 3 hours charge Easy Usage After charging the battery, press power button for 1 second. Blow and check your reading Large Array of Units Reading comes in the following popular units %BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, ‰BAC-RU, ‰prom-PL; B Memory Function Keep track of up to 64 unique readings Highly Accurate The device provides an accurate reading with a very small margin of error This device could save the life of yourself or someone close to you by giving an accurate reading of the blood alcohol content. Keep yourself and others from driving while unsafe or from unsafe levels of alcohol. We pride ourselves on making a quality product with good material that we stand by. If you have questions or concerns about your device, please contact us and we will be happy to assist you.Package includes: Breathalyzer Alcohol Tester x1, User manual x1, Mouthpieces x10, USB cable x1, Storage bag x1. Our Alcohol tester provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us. Note: In order to make the test results accurately, please test with the alcohol breathalyzer 20 minutes later after drinking; please wait for another 3 minutes before starting the next test to get the precise testing result. Brathalyzer alcohol tester with 3 unique features: A) the breath aldohol tester rating is adjustable with 6 common-used units (%BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, ‰BAC-RU, ‰prom-PL); B) CAUTION and ALARMING values can be set by users based on your own need; C) up to 64 recent testing records for your checking; the testing results ranging from 0.000-0.190%BAC / 0.000-0.950 mg / L with this Portable breathalyzer. Easy to Use: By simply turning on the device and blowing for 3-5 seconds you will have an accurate reading shortly. Within about 10 seconds of blowing your reading will appear on the clear LCD screen. Upgrade version: This breathalyzer using professional airway designs and high-precision MEMS semiconductor sensor design, it can accurately display the alcohol content of blood within seconds. This breathalyzer alcohol tester for alcohol provides you with reliable and stable results, which is very suitable for personal, party, professional, driver, and home use.Best Sellers Rank: See Top 100 in Health & Household. : B0B74ZQ5ML. Manufacturer: JASTEK. Date First Available: July 20, 2022. Batteries: 1 Lithium Ion batteries required. (included). Product Dimensions: 5.31 x 3.54 x 1.77 inches; 6.74 Ounces.