The AlcoHAWK Stoplight offers stylish design and affordability and is the newest breathalyzer released in the AlcoHAWK product line. The AlcoHAWK Stoplight quickly checks for the presence of alcohol and features the Stoplight panel which displays different colors corresponding with Blood Alcohol Concentration (B.A.C.) levels. And unique stoplight related sound effects. Each AlcoHAWK Stoplight also provides clear LED reading panel on back of unit, with accurate reading on B.A.C. Considering safety has never been more fun! This Breathalyzer is perfect for parties, weddings, barbeques or wherever you are and is compact enough to fit in your pocket.