Item Type: Alcohol Tester Material: ABS Battery: Lithium battery 3.7V 200mAh (built in) Application: Alcohol detection Basic parameters: Detection Range: 0.000~0.19%BAC; 0~1.9g/L 1High Stability: The core component of the alcohol tester adopts a semiconductor sensor, which has the advantages of high sensitivity, high stability and accurate detection. 2Wide Range of Applications: Our drunk tester is widely used in drunk driving, alcohol production, safety inspection, fire safety, express delivery, coal mines, fleets, enterprises, construction sites. 3Blow Test: Our alcohol detector is a blow test, a non contact test, no need to touch with the mouth, and it will be healthier and safer. It won't affect your life. 4Portable: Our breath alcohol tester is small and easy to carry and can be used anywhere. It can accurately detect ethanol concentration and is a good helper for traffic cop. 5Accuracy: Our alcohol tester is very accurate and can detect even a small amount of alcohol. Drunk driving cannot escape, which is helpful for traffic safety. 1 x Alcohol Tester 1 x USB Cable 1 x Manual