High Quality Gold-Plated HDMI / DVI connectors resists corrosion and increases durability. EMI protection technology is specially equipped to avoid interference from external signals improve work efficiency and ensure vivid clear and smooth image qualityUpgradedThe 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 requiredSupport HDDVI-D to HDMI converter supports video resolutions up to 4k@30Hz 1920x1200 and 1080p Full HD; audio must be transmitted separately ( DVI does not natively support audio) Easy to carryConvenient 2-pack DVI to HDMI adapters for use at home and carry on the road for office monitor or projector connectionsSafe and ReliableDVI-D to HDMI adapter with handle pedal complimentary operating tool for easy insertion and removal secure connection for tightening screwslifetime warranty