Transmitters of electronic signals; transponders; monitoring apparatus, other than for medical purposes; electro-dynamic apparatus for the remote control of signals; locks, electric; smoke detectors; fire alarms; wearable activity trackers; baby monitors; theft prevention installations, electric; electric door bells; remote control apparatus; transmitters [telecommunication]; rods for water diviners; electric plugs; inductors [electricity]; infrared detectors; anti-theft warning apparatus; electronic access control systems for interlocking doors; audio- and video-receivers; cabinets for loudspeakers.