2in1 Cigarette Detector with Remote Control, No Smoking and PM2.5 Alarm with Voice Reminder, Tobacco Control Guard Environmental Monitor for Office Public Spaces Smart Air Quality Surveillance System Walmart.com Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Laser Scattering Super Sensitive Sensor Amazon.com Hotel Vape and Smoke Detector Halo Smart Sensor Can Smoke Detectors Detect Vape Smoke Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Your guests aren't the only ones checking in. So are their vape pens. With over 13 million regular vapers in the U.S. alone, unauthorized vaping is a major operational risk for hotels.