Lifeloc Technologies, Inc. is a trusted international provider of precise, reliable and easy to use portable breath alcohol testing instruments (breathalyzers). We offer comprehensive online and classroom training, plus a complete line of supplies and drug screening products. Our alcohol testing devices have been manufactured continuously in Colorado since our founding in 1983. Lifeloc evidential and screening devices are approved by the U.S. DOT and other state and international regulatory agencies and are used in Law Enforcement, Corrections, Education, Workplace and other industrial environments.