This plugs into the back of your Wii (where the AV cable usually goes) and converts that into a plug that an HDMI cable can plug into, for modern displays. Supports all Wii display modes (NTSC 480i 480p, PAL 576i) Video and audio in full digital HDMI format, no transmission loss! Works with DVI monitor. Hassle Free! Plug and play. With brand new decoder chip, advanced signal processing with great precision, colors and resolution will be provided.The picture is exquisite and stable with no blurring,no fuzzy lines or lag, which ensures you a better game experience. Attention: it can't be connected to the switch/splitter, only connect directly to the TV, monitor, projector Don't forget to go in the settings and change screen resolution from 480i to 480p. Some HDTVs do not support games at 240p/480i over HDMI: they only work through the composite A/V cords. If you switch the Wii to 480p mode they may work over HDMI