Buy your own Professional Alcohol Tester and get an accurate indication of what you and your friends alcohol level are.
This Alcohol Tester is extremely accurate and can show your alcohol intake in %, BAC and mg depending on what you want.
In addition the Alkohol Tester shows your BAC in the range: 0.00 to 1.99.
This a fun party feature and you can check if your friends are cheating in the drinking games. The Alcohol Tester can also be used to indicate whether it is a good idea to take the taxi home instead of car.