Air analysis apparatus; Noise level meters; Radio-frequency power meters; Air quality measurement apparatus, namely, particle counters; Smoke alarms; Hygrometers; Tension testers; Level gauges; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality

Biometric identification apparatus; Control units for regulating start-up electrical motors; Dog whistles; Electric navigational instruments; Electrical controlling devices; Electrical and electronic burglar alarms; Electrified fences; Electro-dynamic apparatus for the remote control of signals; Electronic collars to train animals; Electronic devices used to locate lost articles employing the global positioning system or cellular communication networks; Electronic key fobs being remote contro...