The AlcoHAWK ABI utilizes a state-of-the-art semiconductor oxide sensor to test breath alcohol content quickly and accurately. The simple one-button operation provides a digital reading in seconds. It is one of the top selling breath alcohol screening devices in the market. All AlcoHAWKs® now include Sensor Recognition Technology to monitor for certain types of abnormal sensor conditions. The AlcoHAWK ABI is Department of Transportation / National Highway Traffic Safety Administration approved and Food and Drug Administration cleared for consumer use.