The moisture meter can quickly measure the moisture content of the grain. 1. High accuracy: this breathalyzer in exhaled air is used to measure the concentration of alcohol in the human body with high accuracy, the test range is 0,00%-0,19% BAC (0,0-1,9 g/L). 2. High Sensitivity: The breathalyzer in the exhaled air uses a sensitive high-sensitivity semiconductor sensor to give quick results to determine whether you can drive or not. 3. Each battery installation allows you to perform more than 200 tests. 4. Stylish design: This alcohol meter saves space and is lightweight. Easy to hold and carry. The pocket-sized design allows you to take it with you anywhere to ensure a safe ride after drinking alcohol. 5. Digital LCD Display: This breathalyzer has a large digital LCD screen with orange backlight. This alcoholic breath is easy to use at night. Please allow slight dimension error due to manual measurement. Item Type: Alcohol Tester Material: ABS Test Range: 0,00%-0,19% BAC (0,0-1,9 g/l) Accuracy: 0,01% BAC (0,1 g/l) Battery: 2 AAA 1,5V batteries (supplied without battery) Warm up: 10s Answer: Less than 5s Automatic shutdown: about 1 min List of packages: 1 x Tester 1 x Lanyard 1 x User Manual Remove the product, install it and use it.