Quick, Easy, Effective HDMI from the Nintendo SNES, N64, and Gamecube. It uses the analog S-Video (if detected) and Composite Signals. The switch on the side with go from a 4:3 to 16:9 ratio. In 4:3 it outputs in 1080P, in 16:9 in 720P.

Tiny and convenient. No extra power required, no extra cables or big boxes to connect with. Not HD, but noticeably better quality over the Composite AV cables with the extra image processing that it does. Does what it is mean to do at a value price.