＊Instant purchase is welcome, silent purchase at midnight is OK ◎ ＊One-of-a-kind, first-come, first-served ＊Bulk purchases welcome, feel free to comment ＊Free shipping! ＊Please check the profile beforehand if you are going to purchase. 【Notes】 ◎Please understand that this item is stored at home, inspected by an amateur, and shipped in simple packaging before purchasing. ◎The product's operation has not been confirmed. ◎Please check the actual photos for the condition of the product. ※In order to sell at a slightly lower price due to shipping costs, the item may be shipped without the box. ◎Refunds and returns are not accepted after the evaluation. #Click here for Riri's product list ☜ Quick and Accurate The self-alcohol checker can quickly and accurately measure the alcohol concentration in your body. When the detection result exceeds 0.250 mg/L, the system will emit a beeping alarm, and when the detection result reaches 0.380 mg/L, the system will emit a faster beeping alarm, helping you make the right decision when drinking. Portable This alcohol detector is small in size, light in weight, and easy to carry. Alcohol checker measurement range 0.000-0.190%BAC / 0.000-0.950 mg / L, digital display, green LCD Easy to Use The alcohol checker is very easy to use. Simply insert two AA alkaline batteries (not included) to start the alcohol tester. It automatically turns off 5 seconds after the measurement is complete, saving energy. Caution (Bag not included) To get the correct measurement results, use the alcohol tester 20 minutes after drinking. To get accurate measurement results, wait 3 minutes before starting the next measurement. Alcohol checker Alcohol detector Alcohol tester Alcohol checker Alcohol detector Alcohol detector LCD digital display Commercial vehicles Trucks Drivers 23-19-S。。。。。