Vape detection can trigger signs or lights outside toilets

https://apnews.com/press-release/globenewswire-mobile/zeptive-software-update-boosts-vape-detection-performance-and-adds-new-features-free-update-for-all-customers-with-zeptives-custom-communications-module-7519cba01ca21c4c7cb89ad53fdb7905

Vape detection can trigger signage or lights outside washrooms, indicating momentary checks without exposing the identity of any trainee.