1Manufacture for alcohol Tester 2OEM for alcohol Tester 3Display: 3 Digits (%BAC) 4Quick response and resume 5Auto poweroff Matters needing attention1, after drinking, suggest to wait 20 minutes before detection, because alcohol takes about 20 minutes from digestive organs into the blood, and the residue in the mouth of alcohol also need time to dissipate.2, to get more accurate results, each ...