[ 3D spectacles; ] Antennas; [ Audio-video receivers; Baby monitors; Burglar alarms; Camcorders; ] Devices for wireless radio transmission [ ; Electric meters; Electrical plugs and sockets; Gasometers; High frequency switches; Light emitting diodes (LEDs); Measuring devices, namely, fluorometers; Sirens; Smartglasses; Smoke detectors; Telescopes; Transmitters of electronic signals; Video monitors; Weighing machines ]