Can You Vape in Hotel Rooms? Policies & Smarter Alternatives 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 Detectors Now Being Installed In Minnesota Hotels Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Laser Scattering Super Sensitive Sensor Amazon.com Hotel Vape Detectors and Nicotine Sensors: Complete Guide A pair of hackers found that a vape detector often found in high school bathrooms contained microphonesand security weaknesses that could allow someone to turn it into a secret listening device.