Features 1、C LANGUAGE ALGORITHM: Alcohol tester can measure overnight wine, using the third generation ASIC chip, +AI intelligent sensor, intelligent, durable, more accurate, the accuracy rate is 50% higher than the previous generation 2、LCD HD DIGITAL DISPLAY SCREEN: Alcohol detector is clear, the drinking state will be lit with three corresponding hole bright colors(green light is not exceeded, yellow flashing light is drunk driving, red flashing light is drunken driving) 3、UPGRADED DFFA DUAL FILTERING ALGORITHM: The alcohol tester is based on a high accuracy chip, a smart sensor that filter out other impurities, leaving only alcohol for a more accurate test 4、QUICK CHECK: The alcohol detector support blowing without contact measurement, which is more hygienic, avoid blowpipe dirty growth, and make the measurement healthier 5、VOICE ANNOUNCEMENTS: Digital alcohol tester is simple and clear, update the voice to announce test results and tell you if you're drunk, fast and convenient Specification Item Type: Alcohol Tester Material: Aluminum alloy, ABS Battery Type: Rechargeable lithium battery Battery Capacity: 200mAh Detection Method: Semiconductor gas sensor Breath Alcohol Concentration Measurement Range: 0-200mg/100mL Breath Time: 10 Seconds Measurement Object: Breath alcohol concentration Operating Temperature Range: -5℃ to 45℃ Storage Temperature Range: -20℃ to 50℃ Package List 1 x Alcohol Tester 1 x USB Cable 1 x User Manual