The bi-directional HDMI-DVI adapter is a great solution for connecting from a computer with DVI port to a monitor, HDTV, or projector with HDMI port, or from a computer, Blu-ray player, TV box, or game console with HDMI port to a monitor with DVI port. An HDMI cable (sold separately) is required. Convenient HDMI to DVI adapters for use at home and carry on the road for office monitor or projector connections