How Do Hotels Know If You Vape In Your Room UPENDS 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. Can You Vape in a Hotel Room? (Read This Before You Check In) My Delta 8 Store MD8S 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.