No Need Power, Plug and PlayOur newly upgraded iPhone to HDM adapter no power needed, ensures high speed transmission. And you dont need to install any app, plug and play. Simply attach the light-ning Digital AV Adapter to the Light-ning connector on your device and then to your TV or projector via an HDMI cable, wait patiently for 5-10 seconds, it will sync successfully. Note: If your iPhone/iPad battery less 20% or work not stable, you can connect power to charge. Up to 1080P Digital AdapterThe iPhone digital av adapter supports mirroring of what is displayed on your devices screen (including apps, presentations, websites, slideshows and more) to your HDMI-equipped TV, display, projector or other compatible display in up to 1080p HD. Enjoy a clear visual feast in daily life and work. Note: It NOT SUPPORTS APPs which have "HDCP" video copyrights protection like Netflix, video, HBO go, HULU, SKY Q and Honda motor. Friendly Office HelperLightweight and durable, sho