The Uni-Breathalyzer Premium is a high-speed breathalyzer screen for testing drivers at roadblocks & workers entering industrial sites. The Uni-Breathalyzer Premium has a SuraCell Fuel Cell Sensor for ethanol-specific alcohol testing which provides a long calibration cycle of 1 year. Digital Display of Results as well as GREEN or RED bright LED display based on a PASS or FAIL when any alcohol is detected in breath OR based on a pre-set PASS/FAIL Limit depending on whether The Uni-Breathalyzer Premium is ordered for Industrial Use or Law-Enforcement Use. The Uni-Breathalyzer Premium provides 12 tests p/minute without the use of mouth pieces & offers Active and Passive testing for when drivers or workers have difficulty exhaling. LEDs for Night Time Use providing RED BLUE and BLUE ONLY options to direct drivers. Includes free downloadable PC software to download breathalyzer test data from the Uni-Breathalyzer Premium to a PC for analysis and record keeping.