This alcohol tester is designed for accurately measuring the body alcohol content. It is easy to use, it measures the alcohol content just by blowing to the instrument. Compact design and portable size, convenient to carry. Features: Useful breathalyzer to accurately the body alcohol content just by blowing to the instrument, don't need to contact. C-programme operation, can test the alcohol at the previous night. Upgraded Type-C lithium battery, It can be continue used for 3 mouth by charging once. Advanced flat-surfaced alcohol sensor with high sensitivity and quick response. It can give a warning when alcohol content is over. Large LCD screen with backlight, convenient for night use. Compact design and portable size, convenient to carry. Easy to read the result with drunkenness alarm light. Drunkness turns red, alcohol turns yellow and the light turns green without alcohol. Specifications: Color: Black Material: ABS Power Supply: Lithium Battery MAX. Voltage: 0.15W Working Voltage: 3V/0.5A Working Current: 150MA Blowing Time: 10s Responding Time: 5s Measuring Range: 0.000-0.99%mg/L Accuracy: 0.01mg/L Package Size: 10 * 8.8 * 2.2cm Package Weight: 50g Package List: 1 * Alcohol Tester 1 * User Manual