Acoustic sound alarms; Alarm installations and alarms; Audio- and video-receivers; Blank USB flash drives; Cabinets for loudspeakers; Camcorders; Computer memory devices; Computer network adapters, switches, routers and hubs; Computer peripheral devices; Computer software for multimedia format conversion; Data processing apparatus; Data processing equipment, namely, couplers; Downloadable software for multimedia format conversion; DVD players; Ear plugs for divers; Electric door bells; Electric locks; Electrical and electronic burglar alarms; Electro-dynamic apparatus for the remote control of signals; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Electronic personal emergency response system consisting of a device worn on the body with a button that users push to notify others in the event of an emergency, and a remote unit that dials out on the telephone for help; Electronic and optical communications instruments and components, namely, optical transmitters; Fire alarms; Headphones; Interfaces for computers; Juke boxes for computers; Laptop computers; Loudspeakers; Microphones; Personal security alarms; Portable media players; Radios; Recorded computer operating programs; Recording and playing devices for sound and image carriers; Remote controls for domestic use, namely, for radio, televisions, stereos; Remote controls for radios, televisions, stereos; Smoke alarms; Smoke detectors; Software for monitoring and controlling communication between computers and automated machine systems; Sound alarms; Sound recording apparatus; Sound reproduction apparatus; Sound transmitting apparatus; Telecommunications transmitters; Television cameras; Television sets; Theft alarms; Transmitters of electronic signals; Transponders; TV monitors; Video recorders; Electronic warning bells; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor