Camcorders; Telescopes; Walkie-talkies; Webcams; Audio-receivers and video-receivers; Audio speaker enclosures; Camera hardware systems for IP (Internet protocol) video surveillance; Car video recorders; Data cables; Digital door locks; Digital video recorders; Electric door bells; Electrical plugs and sockets; Electrical and electronic burglar alarms; Global positioning system (GPS); Internet digital video recorders; IP (Internet protocol) speed dome cameras; Mini beam projectors; Motion-act...