The smoke detector in my hotel room is over it Hotel room showercap hack. It works. : r electronic_cigarette What is Smoking Detection Technology? 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 Hotels Tell If You Vape? LOOKAH Vape Detector for Schools, Hotels, Home