1.Works with iPad, iPad2, iPad3, iPhone4, iphone4S,iPod touch 4G 2.Support 720P/1080P HD Digital signal output 3.Digital AV Compatible with iPad, iPhone 4 and iPod touch 4G.Mirroring everything from ipad/iPad2/iphone4 to HD TVTransmits video and audio to an HD TV or HDMI device (unlike a VGA adapter which only transmits video)Supports 720P High Digital signal output.Displays videos, movies, MTV clips, vodcasts, etc.Contained in a small box similar to the iPad camera connection kit, making it easy to take anywhere.Plug and play – no power supply or jailbreaking neededNot compatible with movies purchased through iTunes or locked in accordance with Apple's Fairplay copy protection scheme (same applies to VGA adapter).Not able to display internet web pages on TV (same applies to VGA adapter).

30-pin to HDMI Digital AV adapter for iphone4/4s