Las Vegas Sun - Photograph : New Products at the Nightclub & Bar

January 21, 2018

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A Safe & Sound single-use breathalyzer is displayed during the Nightclub & Bar Convention and Trade Show at the Las Vegas Convention Center Wednesday March 26, 2014.

Steve Marcus

A Safe & Sound single-use breathalyzer is displayed during the Nightclub & Bar Convention and Trade Show at the Las Vegas Convention Center Wednesday March 26, 2014.