[ Alarm central units; Alarm installations and alarms; Alarm monitoring systems; ] Alarm sensors; [ Baby monitors; Camcorders; ] Cameras; [ Downloadable software application for downloading DVR-recorded content for viewing on smartphones; ] Electrical plugs and sockets; Electro-dynamic apparatus for the remote control of signals; [ Electronic lock assemblies; Electronic locks; Electronic personal emergency response system consisting of a device worn on the body with a button that users push t...