Carbon monoxide detectors; Fire fighting equipment, namely, fire fighting monitors that spray foam or liquids on fires; Residual gas analyzers; 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; Air analysis apparatus; Carbon dioxide detectors; Fire alarm and emergency evacuation devices, namely, fi...