We've received quite a number of customer service calls mentioning that breathalysers that have been purchased from us are faulty or are having issues reading a breath sample- which wasn't the case at all. After further conversation, it's become apparent to us that a number of first time customers don't actually know how to blow into a breathalyser the correct way.
Here's a handy little infographic that will hopefully provide some insight on how to correctly blow into a breathalyser!