“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.”
