Ear phones; Electronic locks; Alarms for the detection of inflammable gases; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic solar modules; Circuit breakers and circuit closers; Clickers for training dogs; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Digital weather station instruments; Distance measuring apparatus; Downloadable software for connecting, operating, and managin...