Alarm sensors; Burglar alarms; Electrical transducer; Electronic door alarms; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Home automation hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and downloadable software for controlling networked devices in the internet of things (IoT); Home automation hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and downloadable software for operating internet-enabled and connected lighting apparatus and home security alarms; Humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; Infrared sensors; Light systems comprising light sensors and switches; Personal security alarms; Photoelectric sensors; Security alarm controllers; Sensors for the determination of temperatures, positions and distances; Smoke alarms; Temperature sensors