DOT Alcohol Screening Device (ASD)


Alcovisor® MARS NHTSA certified, hand-held Alcohol Screening Device with large 1.75" x 1.0" LCD digital display. 
Alcovisor® SatelliteNHTSA certified, hand-held Alcohol Screening Device with flashlight feature and a built-in powerbank that allows you to use the unit to charge other USB devices.