[ Access control and alarm monitoring systems; Analog cameras; ] Cameras [ ; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Digital video cameras; Digital video recorders; Electric door bells; Electrical adapters; Electronic door alarms; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, stro...