The cheapest breathalysers are the single use breathalysers.
They give reliable results within 2 minutes and are easily carried in a pocket, glove box or purse
They come in three sensitivities:
- Breath Alcohol Detector 0.02%BAC indicator
Zero tolerance alcohol detection suitable for industrial testing
- Breath Alcohol Detector 0.05%BAC indicator
EU Driving prosecution level tester
- Breath Alcohol Detector 0.08%BAC indicator
UK Driving prosecution level tester
They cost £4.99 for a pack of 3, to £29.99 for a pack of 20.
Each breathalyser is for single use only, but for occaisonal use they can work out very cost effective
Alternatively if you are looking for a great value for money Digital breathalyser that you can use multiple times, then consider the 2009 model DA5000 breathalyser.
At just £48 delivered in the UK , it offers excellent value for money and reliable results time after time.