Analogue to digital converters; Audio-receivers and video-receivers; Battery chargers; Computer peripheral devices; Connections, electric; Data processing equipment, namely, couplers; Electric and electronic video surveillance installations; Electronic notice boards; Integrated circuits; Intercoms; Loudspeaker cabinets; Modems; Switchboards; Teaching robots; Televisions; Theft alarms; Transponders; Walkie-talkies; Blank USB flash drives; Electrical plugs and sockets; Electrical switches; KVM ...