Las Vegas Sun

March 29, 2024

Safe & Sound single-use breathalyzers are displayed during the Nightclub & Bar Convention and Trade Show at the Las Vegas Convention Center Wednesday March 26, 2014.  The crystals at left have turned green indicating a person has had too much to drink.

Steve Marcus

Safe & Sound single-use breathalyzers are displayed during the Nightclub & Bar Convention and Trade Show at the Las Vegas Convention Center Wednesday March 26, 2014. The crystals at left have turned green indicating a person has had too much to drink.