Specifications include, but are not limited to: Breath Alcohol Tester Requirements: 2.2.1 The instruments shall be DOT-approved and on the National Highway Traffic Safety Administrator's (NHTSA) Conforming Products List (CPL) - Evidential. 2.2.2 The instrument shall operate in Automatic, Manual and Passive sampling modes. 2.2.3 The instrument must use a fuel cell sensor for alcohol detection that is alcohol specific. The instrument must be unaffected by acetone, confections, methane and all other substances likely to be found in the human breath which would distort test results. 2.2.4 The instrument shall be capable of accepting dry gas simulated samples for accuracy checks and calibrations. 2.2.5 The instrument shall operate between temperatures of 32° - 104° F