This may look like a regular smoke detector, but it's actually a vape sensor. Columbus County Schools now has these sensors in high school bathrooms, an effort to keep kids from vaping. Edwards Signaling, SD VTK, Air Velocity Test Kit Edwards EST SIGA OSD Intelligent Smoke Detector Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Laser Scattering Super Sensitive Sensor Amazon.com EDWARDS SIGNALING EC30U 3 Smoke Detector Alarms WESCO Edwards SIGA PD Smoke Detector (Replaced by SIGA OSD)