Accurate Result：With advanced semi-conductor sensor technology, it gives you accurate and reliable result that you can trust in seconds. The accuracy is about 0.01%BAC under proper use.
Compact & Lightweight：Only weighing 0.92oz, it is small enough to fit in a purse or pocket or even you can use it as a keychain.
Folding Mouthpiece for easy storage：Isolate ambient air, gases, and fumes when not use. Only your breath goes into the breath alcohol tester so it can improve the accuracy of result. Five replaceable mouthpieces for sharing with your friends.
One Button Control：You can select appropriate units for different requirements, including %BAC, ‰BAC and mg/L.
Easy to Read Backlit LCD Display： It can accommodate about 80 tests per single AAA battery (It will vary according to the quality of battery).