Involvement:General (knows how to use it) - Ownership:more than 1 month
Easy to use, very handy to have at a party, other people like using it too, comes with more mouth pieces. Batteries seem to last quite a while, at least 50 uses if not more... Great size for glovebox or in armrest.
Not sure if accurate. Screen hard to read in the dark. No point in using it just after a drink, if used within 5 minutes of a sip of alcohol the results will be excessive ( 1.0 or more), you have to wait for the alcohol in your mouth to dissipate until you can test your breath!
Seems very accurate after 30 minutes of not drinking. Very inaccurate after just having consumed some alcohol, I think it picks up on some of the trace alcohol in your mouth.
A glass 250ml of beer will show 0.2 after 30 minutes, 2 glasses show 0.5 on an empty stomach after 30 minutes. Blood alcohol percentage seems to dissipate by 0.1-0.3 per hour, so seems accurate.
If this device doesn't pick anything up, chances are the police devices won't either!
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