Features: 1.A simple method to analyze the concentration of Alcohol in the blood in any time and any place. 2.Environment and healthful. Blowing design with five mouthpieces for multiple users. 3.LCD display gives you clearer view and digital alcohol automatically gives you audible alert. 4.Automatic shutdown, Rapid Response and Recovery. 5.Easy to carry, tiny volume with keychain design. Specification: Features:_x000D_ _x000D_ A digital alcohol Breath Analyzer, high sensitivity. _x000D_ Easy to carry, tiny volume with keychain design. _x000D_ Automatic shutdown, Rapid Response and Recovery. _x000D_ LCD display gives you clearer view and digital alcohol automatically gives you audible alert. _x000D_ Environment and healthful. Blowing design with five mouthpieces for multiple users. _x000D_ A simple method to analyze the concentration of Alcohol in the blood in any time and any place. _x000D_ _x000D_ Specifications:_x000D_ Battery: 2 * AAA Alkaline Batteries (Not Included)_x000D_ Sensor: Advanced semiconductor oxide alcohol sensor_x000D_ Accuracy: 0.01% BAC (0.1g / L)_x000D_ Range: 0.00-0.19%BAC and 0.0-1.9g / l (Or 0.00-0.95mg / l (BRAC)_x000D_ Package Weight: 51g/1.8oz_x000D_ _x000D_ Package List:_x000D_ 1 * Alcohol Breath Tester Analyzer (Batteries Not Included)_x000D_ 5 * Mouthpieces_x000D_ 1 * User Manual PackageList: