1. This HDMI to RCA adapter cable cannot be used as a converter and does not support devices that do not enable signal coding and decoding. For such devices, a converter box is needed.2. This item only supports HDIM output to RCA and does not support RCA output to HDIM. It is a HDMI->RCA only. 3. If you want to keep using your old equipment with your new smart modern HDTV/HDMI monitor, then our RCA to HDMI converter will be the best choice for you, Can provide you with a fantastic home theater experience. 4. It is a signal transmitter, not a signal converter