Pack of 12 Fun Breathalyzers

12 Single-use breathalyzers, certified by LNE and compliant with the NF standard. Be responsible, have the Ethylotest reflex! Calibrated at 0.5g/L of blood (at.25mg/L of exhaled air), to be used between 10C° and 40C°. PRACTICAL: A simple and effective way to check your blood alcohol level before hitting the road.