Stream content wirelessly from your Apple® iPad®, Mac or other compatible device to a projector through your Apple TV with this Belkin AV10145BT HDMI-to-VGA adapter, which converts digital HDMI output to an analog VGA signal for a crisp image.
I give power point presentations, I have a sony that only had a hdmi output. I bought a sony hdmi to VGA adapter and it did work in connections with all of the classroom projectors, I bought this one and it works with all of the locations