Communication hubs, modems, modules, hardware, software, networks, controllers, equipment, instruments, apparatus and devices; magnets; magnets for measuring distance; distance and dimension measuring instruments; measuring, detecting and monitoring instruments, indicators and controllers; security hardware and software; computer hardware, computer software and remote control devices for smart management of household appliances, fixtures and fittings; computer hardware and software for remote control security systems; computer hardware and software for monitoring, checking and controlling locks, doors and windows; sensors, detectors and indicators; movement sensors; temperature sensors; motion sensors; alarms and indicators for distance, time, movement, temperature and motion; alarm sensors; alarm systems; security systems; alarm sensors for locks; alarm sensors for doors and windows; security sensors; electronic, digital, electro-mechanic and electro-optical sensors; magnetic sensors; measuring sensors; positional sensors; security detectors and indicators; detectors and indicators for locks, doors and windows; indicator lights; indicator panels; electronic locks; digital locks; electro-mechanical locks; wireless locks; fingerprint locks; radio operated lock controls; smart locks; lock alarms; smart meters; smart locks; smart door and window locks.;