So you want to avoid drinking and driving? This iPhone Case with Alcohol Tester by Thanko might help. The case not only protects your iPhone 5 but also has an alcohol checker that measures your alcohol consumption level and keeps you out of trouble. The case also has a built-in 1800 mAh battery. The 3 LED colors show you when you have had too much to drink. This could make a nice gift for the reckless alcoholic in your life.