The AlcoHAWK Reveal Breathalyzer - Digital Breath Alcohol Tester offers cutting-edge technology, stylish design, and affordability. It quickly checks for the presence of alcohol and features a variety of many settings that consumers can adjust according to their needs. One of the most attractive features is the adjustable audio and visual alert system which will display different colors corresponding with preset blood alcohol concentration (B.A.C.) levels. The Reveal has a folding mouthpiece design that may be used with or without the replaceable mouthpiece covers. Additional mouthpieces may be kept in the battery compartment to allow for sanitary testing of friends and family. * Compact, portable breathalyzer * Audio and Visual Alert System using back light colors to indicate BAC% level * Folding mouthpiece with replaceable mouthpiece covers * 4-digit LCD display * Dimensions: 4.6L x 2W x .71H inches