Imagine how nice it would be to always have an alcohol breath tester in your keyring. At the time when you wonder if you are able to drive safely you can now always make sure and you don’t have to spend those extra hours unless really needed.

With this keyring alcohol breath tester you simply press the power button and the green LED will keep lighting ready in about 10 seconds. Then you wait about 10 seconds more and exhale into the exhale pipe. Look for the result at the coloured buttons.

  • Green Light – Safe (Under 0.05% BAC)
  • Yellow Light – Caution (0.05% BAC)
  • Red and Yellow – Danger (Over 0.05% BAC)

This little gadget is not bigger than my car keys and is easy to always bring along. As a bonus it also comes with a countdown timer and a flashlight. The keychain alcohol breath tester is really something all drivers should have that might end up wondering if it’s safe to drive. It’s better to be safe than sorry. The price on these is very low and range between $5 and $10 depending on the model. It is powered by 2 x AAA batteries that will last for a very long time if you don’t overuse the flashlight.


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