SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Breathalyser. The mouthpiece of a disposable self-testing breathalyser showing a positive result for alcohol. This is indicated by the crystals in the mouthpiece having turned yellow when a sample of breath has passed over them. It is compulsory to carry at least two such disposable testing kits in any road vehicle across much of Europe.
Model release not required. Property release not required.