“No idea where to get it calibrated but have had now over 350 blows into it to make sure I'm fine to drive. May just purchase another after all the service this one has given me.”
“Haven't used it that much as we don't drink that much, but it's great to be able to compare what I think my bac is and what it actually is. If I'm even close then I won't drive. Gives us peace of mind knowing we don't put anybody's life in danger.”
“I have read the instructions cover to cover several times and am still having difficulty getting consistent results. If I can't believe the readings are accurate/dependable/repeatable it renders the unit unusable to me. It has been this way from day one and I have given up using the unit.”
