Vape Detector vs. Smoke Detector: Comparison & How They Work 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. 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. Can Vaping Really Set Off Smoke Alarms? The Truth Revealed Vape Detectors Now Being Installed In Minnesota Hotels Do hotels have THC detectors? ANKA