Universal Security Instruments Hardwire Smoke & Fire Alarm, with 10 Year Battery Backup TAKEX, VS 1000E Vape & Smoke Detection Sensor with Alarm Vape detector in my room, what do I do? : r trees 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.