In our daily, we will inevitably drink some alcohols. For example, at some family gatherings or holiday dinners, moderate drinking is a way of celebrating, but exceive drinking can be harmful. If you are looking for an alcohols tester, come and try this product. Features: Portable Size: This alcohols detector is compact and portable, you can easily store it in your home or car for use anytime. Large LCD Display: Using a large-screen digital display, the test results can be clearly displayed on the screen for your convenience. Automatic Shutdown: After the detection results are displayed for 10 seconds, the detector will shut down automatically. If the test results are between 0.02BAC(0.2g/l) to 0.05BAC(0.5g/l), the screen will show "caution", if the results are over or equal 0.05BAC(0.5g/l), the screen will show "danger" and sound a warning sound to alarm you. Wide Applications: This alcohols detector can be widely used for your family gatherings, holiday dinners or home daily use. Easy to Use: The operation is simple and convenient, just need to test the part of the air and wait for the result. Specifications: Material: ABS Detection ranges: 0.0-1.9g (0.00%-0.19% BAC) Atmospheric preure: 86Kpa-106Kpa Alcohols sensors type: Semiconductor sensors Response time: 3~10 seconds Battery: 1 * lithium battery, 500mAh (included) Recahrging port: 5V Direct current via micro USB port Item size: 185 * 43 * 25mm / 7.3 * 1.7 * 1.0in Item weight: 70.5g / 2.5ounce Package size: 190 * 50 * 35mm / 7.5 * 2.0 * 1.4in Package weight: 89g / 3.1ounce Packing list: 1 * Alcohols Detector 1 * English User Manual