Features： 1、Advanced Sensors: High accuracy, advanced sensors ensure accurate and fast blood alcohol concentration detection for reliable results. 2、Non Contact Testing: The tester support non contact testing, quick alcohol concentration test by blowing, without physical contact for a healthier, safer experience. 3、LED Display: LED screen provides clear and easy to read display of test results, with 3 colors indicating safety level. 4、Compact and Portable: This compact tester can be easily carried in your pocket or purse, making it very convenient to use on the go. 5、Cleanliness and Hygiene: Unlike traditional tester, the device does not require a nozzle, ensuring a clean and hygienic testing experience. Specification： Item Type: Portable Alcohol Tester Weight: 51g/1.8oz Material: ABS, electronic components Battery Type: Lithium battery (shipped with built in battery) Battery Capacity: 200mah Package List： 1 x Alcohol Detector  1 x Charging Cable  1 x Instructions