Alarm monitoring systems; Chargers for batteries; Day and night vision systems primarily comprised of day and night sensors, day and night cameras, and monitors; Digital audio and video recorders and players; Digital video recorders; Flashlights with light emitting diodes for use in photography; Infrared cameras; Infrared detection apparatus; Internet digital video recorders; Liquid crystal display (LCD) monitors; Lithium ion batteries; Night vision goggles; Optical or telescopic lens sights;...