Certified breathalysers for people who care about the law...

Don't guess! You really have to blow to know!



The Red-Line breathalyser is official; it is

* the only disposable breathalyser officially certified every year by authorities in Europe, the USA and Australia,

* used by the traffic police for roadside testing in 'randon stop' countries such as France, Italy and Israel and

* used by millions of drivers all over the world to find out if they are legal to drive after drinking alcohol.
Learn more about these breathalysers in About Red-Line Testers.


There is no comparable breathalyser for helping you decide if you are legal to drive after you have consumed alcohol, from the perspective of certification, reliability, accuracy, ease-of-use and cost.


Respecting the law means asking if you are over the limit before getting in your car

..with the Red-Line breathalyser, you will get a quick, reliable and accurate answer!



We’d like to ask you to introduce the Red-Line breathalyser to your friends too please - at the checkout please enter the name and address of a friend* and we will post them a free Red-Line breathalyser with your compliments. One free Red-Line breathalyser per order. Thank you very much.

* You and your friend must have different postcodes