If both the input / output device are not compatible with signal conversion, a signal conversion box is required. HDMI to VGA / RCA cable is designed for HDMI port signals connect and transfer to the VGA / RCA port. This cable functions as a signal transmitter, but it is not a signal converter. As HDMI carries the digital signals while VGA / RCA carries the analog signals. In order for these two signal formats to communicate with each other, both input and output devices must be compatible with the signal conversion function (code and reception), please check kindly with your user manual. Specification: HDMI Male to VGA HD-15 Male Connecting Digital video and digital audio to a single The HDMI-to-VGA HD-15 HDMI connection cable with the connection of digital video and digital audio in a single Plated-to-ground connectors make top signal transfer Safe Good home theater interconnect performance for HD DVD players, HDTV receivers, TVs, projectors, A / V receivers and other devices equipped with HDMI Bandwidth-High (340 MHz), data transfer rate up to 10.2 GB / S. Length: 1.8 meters Note (very important): Not all devices with HDMI or VGA interface are able to use this cable. Analog signal and digital signals are difficult to move, so please check your devices carefully before placing the order. Note that it does not work with laptops to LCD monitor directly and you will need an adapter box to convert the VGA signals to HDMI in the first place. Only our cable is not enough. It only fits high-definition DVD, you need converter when you connect the PC and TV. Package Contents: 1 x HDMI Male to VGA HD-15 Male Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.