RCA CRF940 RF Modulator and Video Switcher with Gold-Plated Connectors 4-input, 1-output audio/video switcher Stereo analog (left/right RCA) audio connections, composite-video and S-video jacks Front-panel input accommodates spontaneous hookups RF antenna input, RF output to TV Perfect for connecting a DVD player with an older, RF-only TV NOTE: THE RED LED ONLY LIGHTS TO SHOW VIDEO IS PRESENT. IT IS NOT A POWER INDICATOR FOR THE SWITCH.