Breathalyzer Alcohol Tester.com carries alcohol breathalyzer and portable breath alcohol testers. Find information and reviews for popular breathalyzers. Our breathalyzer alcohol testers are designed by experts in the field of alcohol testing and are manufactured in an FDA-registered facility, using the latest in manufacturing practices. Most of our breathalyzers meet NHTSA/DOT approval as a hand-held screening device or as an evidential breathalyzer.