Advanced Safety Devices was established to serve the needs of individuals and companies looking to perform alcohol testing without fuss, and today we are one of the industry's top breathalyzer and breathalyzer-product retailers. Our success has been built on a simple principle: take care of every customer like they were a member of our family. From the beginning, our top priority was to provide unmatched customer care and to help our customers understand how breathalyzers and improved technologies could help them.