This BACtrack S80 Professional breathalyzer is DOT-/NHTSA- tested and approved and designed for professionals and users who requires dependable BAC (blood alcohol content) results. Police-grade Xtend Fuel Cell Sensor Technology ensures accurate readings.
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This breathalyzer is a load of junk. I drank 2 margaritas and when i pulled this breathalyzer out it read 0.00. I waited the 20 minutes and rinsed my mouth out with alcohol. I retested 4 times and got zero everytime. I took a sip of my drink and blew into it, and the device read .02. i don't know what to think other than this thing doesn't work, and isn't safe to assume anywhere near accurate.