“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.”
“This product has been used time and time again to successfully keep track of my friends and myself's alcohol content and to help keep track of who is cut off for the night. The only problem that I had with this product is that the outer layer of the screen broke fairly easily and now has a crack line running down it.”
“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.”
“Not sure how they all worked, as i gave some out as gifts. But the one i have the battery dies wayyy to quick. With very little use and kept in a warm house most of the time.”
