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| BreathKey Digital Keychain Breathalyzer | 
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| Brand: BreathKey
Category: Health And Beauty
Buy New: $69.95
Avg. Customer Rating:  23 reviews
Sales Rank: 1414
Color: Gray
Shipping Weight (lbs): 0
Dimensions (in): 2.4 x 1.4 x 0.6
MPN: g10
Model: g10
UPC: 094922699817
EAN: 0094922699817
ASIN: B000EB5MJY
Availability: Usually ships in 24 hours
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| Features:
| • | World's smallest and lightest breathalyzer - weighs less than an ounce | | • | The only one to use fuel cell sensor technology, the same type that is used in police equipment | | • | Accuracy certified by the FDA to be +/- 0.010% at 0.080% BAC | | • | Lifetime battery that lasts for many years with daily use | | • | Professional features and quality, and made in the USA |
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| Editorial Reviews:
Product Description
Most people have no idea as to what their blood alcohol level is. What if you have only had a few drinks and you feel fine? How do you really know how much alcohol is in your system? If you were to get stopped by the police after having a few drinks, would you test over the legal limit? BreathKey is the smallest and lightest breathalyzer in the world; small enough to fit on a keychain, but big on features and quality. It is FDA certified, and is the only breathalyzer at any size or price that has an advanced fuel cell alcohol sensor (the same type that is used in police equipment). It also has a lifetime battery, good for many years of daily use. One button operation gives results in seconds.
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| Customer Reviews: Read 18 more reviews...
 pretty cool July 2, 2008
3 out of 3 found this review helpful
I really like this product. it does what is says it will. It's pretty cool to quantify how drunk you are, to see how fast you get drunk, and most useful how quickly you sober up. By the way the upper limit of .2 is plenty high. I love this thing.
At first I was a frustrated that "lifetime battery" meant you just can't change it, and it will last a few years. I've heard from one of their representatives that if you send it in for recalibration, they will replace the battery, which you cannot replace yourself. So that is inconvenient, but not the worst thing ever. After hearing this I've edited my review; however, I cannot edit my star-rating. Oh well.
 Worked really well June 19, 2008
I bought the breathalyzer for my daughter who just turned 21 so she would know when she'd had too much to drive. It works easily and accurately and has been a really big hit at parties. People are amazed at how much they've "really" had to drink
 Seems likes its doing a good job. May 31, 2008
I've had the breathkey for a month now. I love that it is so small. Its always on my key chain. I don't have to be out somewhere and say, "Oh, dang, I should've brought that breathalyzer with me." It gives a reading to the thousandth and I usually feel like its pretty accurate. It takes a minute to give the reading, so its not that great as a party toy. But if you need it to see if you should drive or not, its good to keep you responsible. (Or keep your friends responsible) Whenever we have people over at our house I just say, "Nobody's driving away till they give it a blow." But you definitely have to wait 15 minutes after your last drink or else it will probably read high. My only complaint is that every once in awhile it says .000 when I know for a fact that that's not true. Its happened to me three times out of probably 30 or 40 tests.
A very good product but with 3 caveats May 10, 2008
3 out of 3 found this review helpful
The "Breathkey" is a very compact, light and convenient device. It seems accurate and gives me a reading in line with how I feel. It also reads out in thousandths of a percent - there's a world of difference between 0.081% and 0.079% in terms of a DUI.
(As an aside, I have a "friend" who suggests it's small enough to keep in my "pocket protector" with all of my pens.)
Caveats-
1) You must wait 20 minutes after you finish a drink to use it. The residual alcohol in your mouth will otherwise give a false high reading (as would, I assume, a police unit).
2) If you get the error message, "blow hard" or, "blow long" it's for the next test, not the one you're doing.
3) It seems to take a rather long time (30 to 45 seconds) to reset between tests, this is only an issue if you have multiple people testing.
Summary-
I think my reservations and hence 4, instead of 5, stars may be true of all such devices, not just the Breathkey. If that's correct, this should be a 5 star review.
The unit is accurately calibrated right out of the box and remains accurate for 6 to 12 months, at which time you return it with $12, or so, for recalibration.
Perhaps the best thing about an accurate breathalyzer is developing a sense for your BAC from how you feel. It's interesting to me that I begin to feel a "buzz" at 0.04%; half of the legal limit. I turn my keys over to a non drinker whenever I feel any "buzz" at all. It's also interesting to see how sloooowly the alcohol wear off.
Another point about alcohol and driving is that even though you may be below the "legal" limit, if you have an accident and found to have any alcohol in your system, you now have a significantly higher exposure to prosecution, and diminished latitude in mounting a defense. Facts are facts, no?
Great Product April 23, 2008
1 out of 1 found this review helpful
A great product that works well. The instructions say to wait 20 minutes after your last drink before using. If you take a drink and immediately use it, the reading will skyrocket to .200. I've found though that the reading seems fairly accurate after about 5-10 minutes after your last drink.
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