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Great bit of tech, very handy to have in your car for peace of mind
I received it quickly and tested it last night with friends at a party, everyone having more or less alcohol, the device works perfectly. Wait 15 seconds after switching on and then blow until the beep stops.
It works perfectly. Very useful.
It works properly. We should be able to compare with the model used by the police, but at least that gives us a good indication. A plus for the number of built-in “blowers” and the cover that protects well.