Access control and alarm monitoring systems; Alarms for the detection of inflammable gases; Baby monitors; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Digital door locks; Electric door bells; Electrical and electronic burglar alarms; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Electronic equipment, namely, transformers, baluns, and cables, all used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit TV equipment and telecommunication equipment; Electronic locks incorporating biometric scanners; 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), operating internet-enabled and connected lighting apparatus and home security alarms; Intelligent personal assistant devices comprised of voice-activated speakers, computer hardware, and recorded software for searching the internet for weather and traffic information, appointment reminders; Lenses for smartphone cameras; Portable emergency intercoms; Walkie-talkies