XIANQI Intelligence: Our professional digital breath tester alcohol can automatically shut down, fast response, and recovery, LCD display provides you with clearer vision, digital alcohol automatically provides you with sound alerts Economic and Practical: Our alcohol tester is equipped with 5 nozzles, regular replacement, safer, cleaner; more economical than other expensive exhalation drungers, more economical, small and portable Detecting Indicator: Our LCD screen high sensitivity breathalyser will show you the extent of you, whether dangerous (more than 0.05% Bac), is not secure (approximately) 0.02% BAC) or safety (below 0.02% BAC) Simple and Convenient Design: Our data is accurate, fast, high-sensitivity semiconductant oxide alcoholic sensor offers a simple way to analyze alcohol concentration in blood at any time, anywhere Easy to Carry: Our alcohol analyzer is small, with keychain design, tightly, let you find it, drunk driving is very dangerous, ready to have alcoholic advice, responsible for yourself and others Why choose our Alcohol Analyzer? 1. A digital alcohol Breath Analyzer, high sensitivity. 2. Easy to carry, tiny volume with keychain design. 3. Automatic shutdown, Rapid Response and Recovery. 4. LCD display gives you clearer view and digital alcohol automatically gives you audible alert. 5. Environment and healthful. Blowing design with five mouthpieces for multiple users. 6. A simple method to analyze the concentration of Alcohol in the blood in any time and any place. Specifications: Battery: 2 * AAA Alkaline Batteries (Not Included) Sensor: Advanced semiconductor oxide alcohol sensor Accuracy: 0.01% BAC (0.1g / L) Range: 0.00-0.19%BAC and 0.0-1.9g / l (Or 0.00-0.95mg / l (BRAC) Package Weight: 51g/1.8oz Package List: 1 * Alcohol Breath Tester Analyzer (Batteries Not Included) 5 * Mouthpieces 1 * User Manual