“I bought this for my 23 year old son so he can make an informed decision as to whether he is ok to drive when he has been drinking. I remember being young and not realizing how drunk I actually was until the next day. I don't want my son to take that chance ever.”
“I gave them as gifts to my daughter, her boyfriend, and a friend. Better safe than sorry. And it's not worth taking a chance to get behind to wheel after drinking. While the keyring units generally read slightly higher than the home unit, it's better to read higher than low in my opinion. I've had my for years now. I don't drink and drive, and this serves as a reminder. Additionally, if you've had a few too many at home at night, you should test in the morning. I've friends get ticketed early in the morning for driving near the limit as enough time had not passed to process the alcohol in their system by 6 AM.”
