Composite Video and S-video can stay simultaneous connection, and to be selected as the input them by the switch button
Settings of input signal and output resolution is auto-stored when power on again; Composite Vide and S-Video Share the same audio input
This RCA Composite video and S-video to HDMI Converter takes either Composite Video or S-Video as input and upscales it to HDMI 720P or 1080P. It allows older analog devices to be integrated into today's HD home theater system