Audio- and video-receivers; Cabinets for loudspeakers; Computer peripheral devices; Earphones; Microphones; Rechargeable electric batteries; Switches, electric; Tripods for cameras; USB cables for cellphones; USB hubs; Video recorders; Eye glasses; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Instruments for measurin...