“How many breaths will this take. Do you need any other devise. How accurate is this ?”
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You don't need another device just one breath each time you take it it's ran off a battery and pretty accurate unless battery is low or I just took a drink it may read a little higher so it's good to take a drink of water before blowing into the breathalyzer it has a tube to blow into it connected to the keychain device
Sorry, there was a problem. Please try again later.it takes only one (1) breath: when the countdown gets to about 3, you take a deep breath, then start blowing when you hear the "beep" ~ you have to continue to blow until the beep stops. hope this info. helps.....
Sorry, there was a problem. Please try again later.There is no limit on breaths. I don't know how accurate it is but I did check out one day as my drinking progressed it definitely recorded an increase. You need no other device. It is an all in one unit.
Sorry, there was a problem. Please try again later.1 quick, short breath. Not sure of legal accuracy but seems adequate if you aren't trying to play close to the limit.
Sorry, there was a problem. Please try again later.The BACtrack Go Keychain Breathalyzer is great at giving you an accurate BAC reading. It is a standalone device and you just need batteries to operate it. We suggest that you get this unit calibrated about once every 6-12 months.
Sorry, there was a problem. Please try again later.It just takes 1 long breath
Sorry, there was a problem. Please try again later.No other device is needed.
Sorry, there was a problem. Please try again later.You blow one time for 5 continuous seconds.
Sorry, there was a problem. Please try again later.One breath and is accurate. No other device needed.
Sorry, there was a problem. Please try again later.A1: you need to take only one (1) breath A2: why would you need any other device? A3: in my opinion, this unit is "fairly accurate" (if you want more professional results, consider buying a Professional-Grade Breathalyzer)
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