Vape detection can activate signs or lights outside toilets

https://www.benzinga.com/pressreleases/26/04/g52007204/zeptive-releases-update-1-33-500-for-vape-detectors-adds-enhanced-detection-performance-loitering-

Vape detection can trigger signs or lights outside restrooms, signaling short-lived checks without revealing the identity of any trainee.