The AlcoHAWK Precision is one of the most popular units in the AlcoHawK series line. It features a robust design made of impact resistant abs material. The unit screens for the presence of alcohol quickly and is an ideal solution for portable tester with professional quality. This unit is equipped with a clear Ruby Red L.E.D. display. The AlcoHawK Precision has also been upgraded with new technologies to improve it"s breath capture accuracy making this model ideal for no tolerance screening. Meets DOT/NHTSA model specifications for Breath Alcohol Screeners. Has obtained FDA 510K Premarket Clearance. Includes: 5 mouthpiecesSoft carrying pouch Owner"s manual Quick start guide Upgraded Features Include: Electric Air Flow Sensor: The AlcoHAWK Precision contains an electronic airflow sensor to ensure the user continues to blow through the unit. This is a vital new function because only samples of air from the deep lung are proportionate to blood alcohol content. This new innovative sensor ensures the user exhales through the mouthpiece over the 4-5 second exhale. This is an important feature for professional screening to prevent an intentional short exhale which could affect accuracy. Sample Concentration Sensor: The AlcoHAWK Precision contains a software upgrade to allow the unit to track if an even alcohol concentration is detected in the sample. This cutting edge technology serves as another check of sample integrity. Ergonomic Design: The AlcoHAWK Precision was created with portability and handheld use in mind. Therefore, it was designed with a molded grip and curves to fit in the hand for comfortable use in the field. Sensor Recognition TechnologyTM: All AlcoHAWK SC Series units now include Sensor Recognition TechnologyTM to monitor for certain types of abnormal sensor conditions. Disclaimer:We makes no warranties, expressed or impl