These nonsmoking hotel guests got charged smoking fees The Points Guy Vape Smoke Detector Hotel Vape Sets Off Fire Alarm: How Do Vape Detectors Work? Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Laser Scattering Super Sensitive Sensor Amazon.com Vape Detectors Now Being Installed In Minnesota Hotels Unexpected charges are piling up at hotels across the country as new smoking detection sensors raise questions about accuracy. Can they tell if you vape in a hotel room? Knowledge Kaiweili Digital Technology