Feature: 1. More Hygienic: This alcohol detector does not require a blowpipe to avoid the breeding of harmful substances, non contact blowing, and measurement is healthier. 2. Sensitive Chip: This alcohol detector has built in high accuracy chips and smart sensors, making the measurement more accurate. 3. HD Screen Display: The test value is displayed on the high definition screen on the alcohol tester, with moderate brightness and clear fonts for easy viewing. 4. Compact and Portable: The alcohol tester is small in size and can be held in one hand, making it easy to use and carry. 5. Easy Operation: The alcohol tester is operated by a button, and it can be used after preheating for ten minutes after power on, which is simple and fast. Specification: Item Type: Breathalyzer Material: ABS Battery: 2 x 1.5V AAA battery (excluded) Application: Alcohol detection Test Range: 0.000-0.19%BAC. Package List: 1 x Breathalyzer1 x Sling1 x Instruction