LCD high-definition digital display: Accurate values ??are clear and easy to read High test accuracy: Based on high-precision chips, intelligent sensors, filter other impurities and leave only alcohol, the test is more accurate Blowing detection: No contact blowing detection, fast to use, safer and more hygienic Three-color detection indicator: Three-color detection indicator design, the test results are clear at a glance Rechargeable: Built-in high-capacity rechargeable battery, convenient and durable Specifications: Accuracy: ±0.005%BAC Material: ABS Battery capacity: 300mAh Test range: 0.000~0.199%BAC Blowing time: 10 seconds (usually 3~5 seconds) Product size: 90x25x26mm Response time: <5 seconds Warm-up time: 10 seconds Drunk state: Red light on - Drunk driving Drinking state: Yellow light on - Drink driving Sober state: Green light on - Can drive