This is a great cheap little device that can analyse your breath, it feels sturdy, and the LED light inside of this little device is quite useful. It isn't really the precise. It only has 3 lights, and by using it around 3 times being really drunk it still says i am sober. It is fun to do however. Get ... Read more
it's precise, at least i used it one night and it said i wasn't drunk, then a policeman stopped me to check my BEC and gave a ngative.
it's easy to use, just blow
a great source of ethanol semiconductor sensors for hobbyists
It can be perfectly used in Spain, cause it't calibrated fot the actual limits ... Read more
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