Access control and alarm monitoring systems; Clickers for training dogs; Digital door locks; Electric bark control dog collars; Electric bark control dog collars featuring citronella spray, static electricity; Electrical and electronic burglar alarms; Electrified fences; Electromechanical devices for preventing squirrels and other animals from accessing bird seed in feeders; Electronic animal confinement systems; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Floating fish weighing scales; Hand-held shakers for use when herding animals; 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; Laboratory cages for animals; Smoke alarms