It converts Hdmi signals into RCA (AV, composite, CVBS) signals so you can watch your video on a old TV with RCA ports. It will convert HDMI signal (STB, Blu-ray DVD, PS3,PS4) to Analog signal RCA AV device, watch or play on your old TV/display. It is Just plug and play, no need to install drivers.It is Compatible with all devices which have HDMI output such as PC, Laptop, PS3, XBox360, XBox One, BluRay Player, TV Android Box, Sky Box, VHS VCR, STB, DVD Recorders, HD Camera, etc . This is the HDMI to AV Converter, the TV requires RCA input and the video source device requires HDMI output.The Signal can not from AV analog signal to HDMI digital signal .The HDMI to 3RCA + Audio R/L CVBS +Composite video converter, allows the HD device only equipped with HDMI output to be connected to analog TV CRT Monitor Premium