Involvement:General (knows how to use it) - Ownership:more than 1 month
the device works and shows some results. it will sniff alcohol in your breath after 1/2 bottle of beer in half an hour after drinking. it never shows any alcohol when you didn't realy take it.
the weak side of the device is it's accuracy actualy. if you try to take another test within 10-15 minutes after previous one, the shown results would be zero or definitely incorrect. don't know why it happenes but you should wait atleast 20 minutes after taking a test before taking another one to get some kind of reliable results.
you should get used to this device to get reliable results. anyway it is quite sensitive to alcohol, so even after only 1/2 of bottle of beer it reveals the fact of drinking.
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