VicTsing Professional Breathalyzer, Portable Breath Alcohol Tester Type: Alcohol Screening Age: Adult Ecological: Organic Features: Specification: Sensor: high-precision semi-conductor sensor Detection Range:0.000-0.199% BAC; 0.000-1.990‰ BAC; 0.000-0.995 mg/L (BrAC) Warning Point:0.050% BAC; 0.500‰ BAC; 0.250mg/L (BrAC) Warm-up time: Within 15 seconds Respond time: Within 5 seconds Operating temperature range: -10? ~ 50? Digital display results (%BAC / ‰BAC / mg/L) Power input: 3V (3 x AAA alkaline battery, not included) LCD backlight: Blue Package Included: 1 x Breath Alcohol Tester ( including 5pcs mouthpieces ) 1 x Cloth bag 1x User Manual Notes: 1. Do not use the breath analyzer until it has been 20 minutes since the last drink; 2. To ensure the accuracy of the test result, please wait at least 3 minutes to begin next test after last test. 3. Do not use it in the environment of paints, pesticide, al...