Do not support IOS 8.0

Specifications:

Supports transmission of HD video and audio to HD TV or Projector.
Supports HD video of 720p video format on ipad 1/ iphone 4 4s , Full 1080P on ipad2 /3, the new ipad.
Compatible with Apple iPad 2, iPad , iPhone 4, 4s, 3Gs, iPod Touch 4.
Perfect companion for Apple iPad/iPad 2 users, Support Mirror Function in iPAD 2 & iPhone 4S.
Supports videos, movies, MTV, Podcast, Youtube (online), photos, 3D Movie, etc.
Do NOT support third-party iPhone/iPad/iPod Touch apps for live streaming television such as tvuplayer, nettv, worldview live and etc.
Does not support movies purchased through iTunes due to the copyright.

HDMI CABLE: Support existing 2D TVs also
Supports 1080p TV’s at 24/30/60/100/200 Hz and up as well as Blu-rays at 24 FPS
Supports both HDMI 1.4a audio and HDMI 1,4a video
Supports 3D-Transmission
3D-Video, 2x 1080p Stream and all versions of 3D HDMI 1.4a video
Features gold-plated connectors, molded strain-relief, and mylar-foil shielding
Cable constructed using the high quality material for best contact connection between HDMI equipments
Fully compatible with High Speed HDMI with Ethernet specification (Version 1.4)

Some Troubleshooting:

Disconnect and reconnect the adapter from the iOS device and display.
Connect directly to the TV, projector, or external display using a known-good HDMI cable.
Remove any HDMI extension cables or converters.
Note that accessories that convert a HDMI signal to other video formats (DVI, Composite, Component) are not supported.
If possible, please use the latest version of iOS.

Note:
When using an Apple Digital AV Adapter manufactured before early 2012 with iPad (3rd generation), you may see the “This accessory is not supported” alert.Dismissing the alert will allow you to use the adapter.

Product Features

• Mirror apps, presentations, websites, and more of your iPad 2 screen to HDTV or HDMI-compatible display in up to 1080p HD (movies play at up to 720p).
• Watch slideshows and movies on the big screen in up to 720p by connecting your iPad, iPhone 4, or iPod touch (4th generation) to an HDTV or HDMI-compatible display.
• Connect the digital AV adapter to your iPad, iPhone 4, or iPod touch (4th generation) via the 30-pin dock connector and to your HDMI-compatible display using an HDMI cable.
• A second 30-pin connector built into the AV adapter lets you charge and sync your device while it is connected to your HDMI-compatible display.
• Video output supports up to 1080p for iPad 2, iPad 3, iPhone 4S, 720p for iPad, iPhone 4 and iPod touch (4th generation); movies play at up to 720p. Package: 1x HDMI Adapter£»1x HDMI Cable