Alarm installations and alarms; alarm sensors; alarms for the detection of inflammable gases; environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; home automation hubs comprised of voice-activated speakers, computer hardware, and downloadable software for controlling network devices in the nature of alarms; home automation hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and downloadable software for measuring vibrations; seismic detectors; sound alarms