Overview : Use the Apple VGA Adapter to mirror whatever’s on your iPad or iPhone 4S screen — apps, presentations, websites, and more — on your VGA-equipped TV, display, projector, or other compatible display in up to 1080p HD. Video mirroring is supported on iPad 2 or later and iPhone 4S.
Watch slideshows and video on the big screen in up to 720p by connecting your iPad, iPhone 4, or iPod touch (4th generation) to a television, projector, or other VGA-compatible display. Video out supports up to 1080p for iPad 2 or later and iPhone 4S, and up to 720p for iPad, iPhone 4, and iPod touch (4th generation). Movies play at up to 720p.
The Apple VGA Adapter connects to your iPad, iPhone 4, iPhone 4S, iPod touch (4th generation), iPad Dock, or Universal Dock via the dock connector and to your projector or display using the VGA adapter.