The 6 Best Keychain BAC testers (2023 reviews)

If you are looking to buy an all-around great tester for your daily purpose, bactrack keychain bac tester is the right option. The Keychain model can be put on your own keychain so it is there whenever you need it. It will understand how blood alcohol works and it’s a fun stocking stuffer that saves lives. It comes with 2 mouth pieces. The air that comes from the deepest within the lungs gives the most accurate reading. The device will automatically turn off after 15 seconds.

This product provides a very solid assumption of your intoxication. It has made each of them more conscious of their drinking habits, especially when driving. This one you can change batteries so it has a longer life. It is easy to use, discreet size and helpful when managing "a good time.

Why We Like This:

Neat gadget to keep on keychain
Highly recommended to quickly check blood alcohol levels
Very compact and easy to use
Conversation piece at dinner parties and definitely makes you think

Best For vehicle: BACTRACK Alcohol Tester

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The bactrack alcohol tester is satisfactory and appropriate and fits well with your daily usage. It's a neat, compact, inexpensive gadget to keep yourself or friends in check. It will understand how blood alcohol works and it’s a fun stocking stuffer that saves lives. It stops and gives you the reading. It's easy to use if you follow the directions and wait for 15 minutes.

This product provides a very solid assumption of your intoxication. The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out. Its mouth piece can be fold nicely without touching other things.

Why We Like This:

Conversation piece at dinner parties and definitely makes you think
Handy size, nice color, easy to read, all in all a very pleasant purchase
Very compact and easy to use

Best For keeping Friends: Fftopu Keychain BAC Tester

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The fftopu keychain bac tester should be able to handle its purpose and duties with ease. It is perfect for any social situation, from happy hour to dinner parties, the small keychain breathalyzer will raise your drinking iq, helping you and your friends drink smarter. The app mode can better set the breathalyzer and provide historical record query to avoid multiple tests. The back of the device also has a built-in mouthpiece. It's user friendly and provides prompts for when to blow and when not to.

The display screen is very easy and clear to read. It gives you a warning if you exceed the drinking limits for driving. It is easy to use and handy when you want to ensure the safety of everyone around you. This thing is easy to use, and very accurate.

Why We Like This:

Fits in your jacket pocket or glove box, works well
Came with a nice carrying case and several reusable mouth pieces
Operation is fairly simple and easy

Best For car: GREENWON Keychain BAC Tester

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Greenwon makes beautiful and great tester with classic and smartly choosen materials. This is a great portable unit. The Pocket-size allows you to take it anywhere and anytime, it's convinent and easy to use. It comes with a few mouth pieces. It is recommended to take 3-4 different measurements to ensure a safe level, especially when needed.

The breathalyzer is simple to use, with clear instructions included. It is designed with low power indication. Offensively, it's useful and a reminder to just have a good time and not drink and drive. It even comes with extra tips.

Why We Like This:

Pocket-size breath alcohol tester nice to have
Compact and convenient alcohol tester with a few minor drawbacks
Great for measuring ketosis with one caveat

Best For weddings: Ofzveo Keychain BAC Tester

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate tester. The ofzveo keychain bac tester is exactly that - it's a simple tester that hits all the right notes. This professional breathalyzer takes up little space and can be easily carried anywhere in your wallet or pocket. It comes with an advanced semiconductor sensor, an accurate display is guaranteed in a short time. It is ready in 3 seconds and is displayed on the LCD screen for 15 seconds. It is great for weddings, parties, celebrations, or any other social activity, and ensures safe driving after drinking.

Why We Like This:

Reduce the night display and professional accuracy for safe driving
One of the new comers and featured product

Best For Law enforcement: Alayna Keychain BAC Tester

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The alayna keychain bac tester has killer features for the price point. Once the Breath Alcohol Tester has warmed up, a “Blow” logo will appear on the screen. It comes with its high-precision semiconductor alcohol sensor, the breath alcohol tester will give you the most accurate results, and will sound an alarm if too much alcohol is detected. It provides a clear reading during nighttime as well. The Bright Blue backlight LCD screen provides a clear reading during nighttime as well. It is easy to use and gives accurate readings.

Why We Like This:

Drive safely and keep your family safe
Ensuring your safe driving after drinking
Lot of satisfied buyers