The Apple Mini-DVI to Video adapter is designed for use with the iMac (Intel Core Duo), MacBook, and 12-inch PowerBook G4. The adapter connects to the Mini-DVI port on these computers and provides both S-video and Composite video connectors so that you can view you computer on devices such as Tvs, VCRs, or overhead projectors with S-Video or RCA (Composite) connectors. Video cables sold seperately