This item including a 3.4 inch round lcd display module and a HDMI demo board, 

it is 3.4 inch circular touch lcd display, round tft lcd, with the capacitive touch/CTP, 800x800 pixels,

BUT the hdmi demo board only for the 3.4 inch circle LCD module, not for the circular capacitive touch.

If need the 3.4" round tft display monitor, embedded system, HDMI interface, with cover, without touch version, please check:

https://www.ebay.com/itm/264540564825

If only need the 3.4" round tft without HDMI board, please check:

https://www.ebay.com/itm/264191224634