I was reading a post from about a year ago. About the legitimacy of hotels having silent vape alarms. Well I just found one in my hotel. Discreetly attached to the back Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Laser Scattering Super Sensitive Sensor Amazon.com You want to know about this smart smoke detector. It's more than just a smoke detector. It's a smart snitch and it's installed in many places including bedrooms. Schools, hospitals, courthouses, daycares, Do Vape Detectors Really Work or Not? Real Tests Explained Will Vaping Set Off Hotel Smoke Alarms?