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Product Description
BreathKey is the smallest and lightest breathalyzer in the world, but it is big on features and quality. Unlike other bulky breathalyzers, it easily fits on a keychain so you can take it with you wherever you go. And it is the only consumer breathalyzer at any size or price that has a fuel cell alcohol sensor, the same type that is used in police equipment. The BreathKey breath alcohol tester is FDA certified, and has a lifetime battery that is good for many years of daily use. It also has an advanced backlit display with simple plain English prompts. One button operation gives results in seconds.
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Customer Reviews
Most Helpful Customer Reviews
109 of 111 people found the following review helpful
Amazon Verified Purchase
This is an update. I've owned my Beathkeys for 5 years now. They are still working properly and are used at least weekly. This is a very good product and has the potential to save your driver's license or even your life. I bought them from Amazon and am a real customer, not a troll or associated with the company. Please read some of my other reviews to verify that I'm not a single product reviewer. I never trust those reviews myself.
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 reads out in thousandths of a percent - there's a world of difference between 0.081% and 0.079% in terms of a DUI. I like it more the longer I own it. I have just purchased a second BreathKey to keep in my car, whilst the other one lives in my briefcase. (As an aside, I have a "friend" who suggests it's small enough to keep in my "pocket protector" with all of my pens). I live in the Sonoma Wine Country and go on a lot of tastings. I now find I spit much more wine than I'll swallow.
Caveats-
1) I've noticed that the first result often differs from subsequent results, so I always test twice and believe the highest reading.
2) 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). I find rinsing my mouth with water reduces the residual alcohol too, but not quite as much as waiting.
3) If you get the error message, "blow hard" or, "blow long" it's for the next test, not the one you're doing.
4) 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.
5) It will need to be recalibrated occasionally, I do it once per year. Simply send your unit in a sturdy small box and $15 to:
OmegaPoint Systems LLC
Service Center
1077 Celestial Street
Suite 400
Cincinnati, OH 45202-1629
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.
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. Based on that observation I have no problem with reducing the legal limit from 0.08 to 0.05, that's the limit in most other countries. I turn my keys over to a non-drinker whenever I feel any "buzz" at all. It's also interesting to see how very sloooowly the alcohol wears 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?
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 reads out in thousandths of a percent - there's a world of difference between 0.081% and 0.079% in terms of a DUI. I like it more the longer I own it. I have just purchased a second BreathKey to keep in my car, whilst the other one lives in my briefcase. (As an aside, I have a "friend" who suggests it's small enough to keep in my "pocket protector" with all of my pens). I live in the Sonoma Wine Country and go on a lot of tastings. I now find I spit much more wine than I'll swallow.
Caveats-
1) I've noticed that the first result often differs from subsequent results, so I always test twice and believe the highest reading.
2) 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). I find rinsing my mouth with water reduces the residual alcohol too, but not quite as much as waiting.
3) If you get the error message, "blow hard" or, "blow long" it's for the next test, not the one you're doing.
4) 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.
5) It will need to be recalibrated occasionally, I do it once per year. Simply send your unit in a sturdy small box and $15 to:
OmegaPoint Systems LLC
Service Center
1077 Celestial Street
Suite 400
Cincinnati, OH 45202-1629
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.
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. Based on that observation I have no problem with reducing the legal limit from 0.08 to 0.05, that's the limit in most other countries. I turn my keys over to a non-drinker whenever I feel any "buzz" at all. It's also interesting to see how very sloooowly the alcohol wears 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?
71 of 75 people found the following review helpful
Amazon Verified Purchase
I purchased this Breathalyzer over others, as its accuracy is FDA certified. The fuel sensor is the same used by police and the battery is long lasting. When I tried it, I was stupefied by the results.
After turning on the button, it simply asks you to WAIT, then it will beep and ask you to BLOW into the small hole for four seconds (four beeps) until a solid beep occurs. After a minute or so, your test results will appear. I intentionally measured two shots of vodka (1.5 oz. each) with a tall soda mix and drank it over a 30-minute time slot. Then I waited 20 minutes. I weigh 190 pounds and had an empty stomach. My blood alcohol level was 0.11 and I felt absolutely sober! 0.08 is the legal limit in most states.
Your blood alcohol will not change if you eat or drink water or coffee. Only time will eliminate alcohol from your system. It took nearly 70 minutes before I was under 0.08. That was very scary. I checked my blood alcohol several times and the results were very steady. I would advise getting this device and showing your friends their results. My results may not be the same as yours, but why take a chance? Getting busted will cost you a lot more than over $10,000 in the USA (revoked license, insurance rates rise, etc.).
After turning on the button, it simply asks you to WAIT, then it will beep and ask you to BLOW into the small hole for four seconds (four beeps) until a solid beep occurs. After a minute or so, your test results will appear. I intentionally measured two shots of vodka (1.5 oz. each) with a tall soda mix and drank it over a 30-minute time slot. Then I waited 20 minutes. I weigh 190 pounds and had an empty stomach. My blood alcohol level was 0.11 and I felt absolutely sober! 0.08 is the legal limit in most states.
Your blood alcohol will not change if you eat or drink water or coffee. Only time will eliminate alcohol from your system. It took nearly 70 minutes before I was under 0.08. That was very scary. I checked my blood alcohol several times and the results were very steady. I would advise getting this device and showing your friends their results. My results may not be the same as yours, but why take a chance? Getting busted will cost you a lot more than over $10,000 in the USA (revoked license, insurance rates rise, etc.).
75 of 80 people found the following review helpful
By D. MCGUE
Amazon Verified Purchase
I think this breathalyzer is excellent! The results are right where I expected them to be depending on how much I had to drink. Much better than a DUI!
I have two suggestions for getting an accurate reading:
1. Do not take a deep breath before blowing into the breathalyzer. All that extra air will dilute the alcohol vapor that goes into the analyzer.
2. When blowing into the breathalyzer, try your best to capture the end of your breath. That will give you a much more accurate reading. Think about it . . . it makes sense . . . you would want to measure the alcohol deep in your lungs to get the best results. I've tried it using the first part of my breath one day and got a reading of .056, a minute later, using the "deep lung" air, the reading was .078. Trust me . . . the cops will take the "deep lung" air for the test if you're pulled over.
I have two suggestions for getting an accurate reading:
1. Do not take a deep breath before blowing into the breathalyzer. All that extra air will dilute the alcohol vapor that goes into the analyzer.
2. When blowing into the breathalyzer, try your best to capture the end of your breath. That will give you a much more accurate reading. Think about it . . . it makes sense . . . you would want to measure the alcohol deep in your lungs to get the best results. I've tried it using the first part of my breath one day and got a reading of .056, a minute later, using the "deep lung" air, the reading was .078. Trust me . . . the cops will take the "deep lung" air for the test if you're pulled over.
Most Recent Customer Reviews
5.0 out of 5 stars
smart buy!
You know,...sometimes you just don't know! With states lowering their legal limits constantly you really need to be on the ball! This keychain is really cool. Read more
Published 4 days ago by Elizabeth Mathias-saenz
2.0 out of 5 stars
Takes too long between samples
I had the AlcoHawk before and liked it. This one isn't worth the cost savings. Too flimsy and poor construction.
Published 4 days ago by edward gross
1.0 out of 5 stars
Didn't work
I tested this product out over the course of a week and came to two conclusions:
1. The refractory period on the device was too long for it to be useful. Read more
1. The refractory period on the device was too long for it to be useful. Read more
Published 11 days ago by Nicolai Allman
3.0 out of 5 stars
Unsure about results
Bought for my husband but he doubts its accuracy. It seems to be inconsistent with its results, which was the reason for buying it.
Published 19 days ago by Sue
4.0 out of 5 stars
Breathalyzer
It's tiny, so it's easy to put in your purse when you go out. I like that it makes me think before I drink and drive. Read more
Published 27 days ago by Sherri Hudson
5.0 out of 5 stars
An investment in your peace of mind
I've had the BreathKey for about four months now, and I regularly attend events where alcohol is present, so I've had a lot of opportunity to test this device. Read more
Published 1 month ago by Kelly Hudson
4.0 out of 5 stars
great way to minimize risk
consequences of being over the limit makes this easy to use, compact reference a no brainer...some time lag to reset but overall a good buy
Published 1 month ago by Ray Vallecillo
4.0 out of 5 stars
seems to work pretty well
The only reason I gave it 4 stars instead of 5 is that it seems to take a while between blows to recalibrate and be able to do it again. Read more
Published 1 month ago by GAlexander
4.0 out of 5 stars
Works Well
I would never completely rely on this for accuracy if i was close to the limit. There are often discrepancies between readings but most of the time it seems fairly accurate based... Read more
Published 1 month ago by Jenny McCabe
3.0 out of 5 stars
It will do
If you want to know if you have any alcohol in your system at all it will tell you. If you want an accurate reading than do not buy it. It doesn't read past 0. Read more
Published 2 months ago by LJ
