District officials said Halo sensors are helping detect vaping, though staff have said there's occasional false alarms. Vape Detector by Forensics for Schools, Home, Hotels, Business Cell Phone Alarms WiFi Laser Scattering Super Sensitive Sensor Amazon.com Does Smoke Detector Detect Vape Vape Detector vs Smoke Detector: What's the Difference? Vape Detectors and Sensors: Everything You Need to Know Vape Smoke Detector Hotel Can Smoke Detectors Detect Vaping? Learn the Facts Will a Vape Set Off a Fire Alarm? What to Know