Features1High Sensitivity: Alcohol tester is a kind of alcohol measuring instrument with high sensitivity and high accuracy. You can test before driving to avoid unnecessary trouble. 2Clean and Sanitary: Accurate alcohol tester does not use traditional suction nozzles, it is clean and hygienic and can be used with confidence. 3With Display Screen: The display screen reads clearly, and you can directly view the test results, which is convenient, fast and practical. 4Small and Portable: The alcohol tester has a built in purification chamber and is small and portable, making it easy to use when going out. 5Stable Performance: Professional manufacturing, craftsmanship and high accuracy help to provide stable performance to meet your various needs.SpecificationItem Type: Portable Alcohol TesterMaterial: ABSWeight: Approx. 34g / 1.2ozBattery Parameters: 2 x AAA Batteries (Excluding)Measurement Range: 0.00-0.19%BAC, 0.0-1.9g/ltMeasurement Accuracy: 0.01%BAC(0.1g/l)Preheating Time: 10sApplication: Alcohol Detection Package List1 x Portable Alcohol Tester (Battery Not Included) 1 x Hanging Rope 1 x Manual