Alarm monitoring systems; Alarm sensors; Audio-receivers and video-receivers; Blank USB flash drives; Burglar alarms; Cabinets for loudspeakers; Computer peripheral devices; Downloadable software application for downloading DVR-recorded content for viewing on smartphones; Earphones; Headphones; Magnifying lenses; Modems; Portable media players; Rechargeable batteries; Satellite receivers; Sound transmitting apparatus; Switchboards; Telecommunication exchangers; Television receivers; Transpond...