Camcorders; Microscopes; Mousepads; Scanners; Telescopes; Alarm monitoring systems; Batteries, electric; Battery chargers; Blank USB flash drives; Cabinets for loudspeakers; Electric navigational instruments; Electrical and electronic burglar alarms; Electronic transmitters for jamming signals; Global positioning system (GPS) apparatus; Infrared detectors; Photographic cameras; Tape recorders; Tripods for cameras; Video monitors; Video screens