Inverters; Analog to digital converter (ADCs); Baby monitors; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Electric and electronic effects units for musical instruments; Electronic pens; Heat sinks for use in electronic components; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Slope ...