You can measure security, even when you can't see it. Verkada's environmental sensors add a new level of intelligence to your building's safety plan. They work smoothly with the top cloud managed security Vape Detectors in Schools: How Do They Work? Does anyone know what this is??? They claim it's a sound detector but we have no idea what it really is. They put it in our bathroom today. : r SchoolSystemBroke Washington Legislature considers paying for vape detectors in schools, but do they deter vaping?