Alarm installations and alarms; Audio-receivers and video-receivers; Burglar alarms; Camcorders; Car video recorders; Electric door bells; Electrical connections; Electrical plugs and sockets; Electro-dynamic apparatus for the remote control of signals; Fire alarms; Infrared detectors; Locks, electric; Reflective clothing, for the prevention of accidents; Reflective mirrors to prevent accidents; Remote controls for projectors; Remote controls for radios, televisions, stereos, air conditioners...