Cameras; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Coaxial cables; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Digital video recorders; Electric door bells; Electronic equipment, namely, transformers, baluns, and cables, all used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit TV equipment and telecommunication equipment; Power adapters; Power supplies; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, remote metering systems, gas and liquid cylinders, vehicle tracking devices, energy and utility systems, security systems, lighting systems