For Dreamoc Diamond Basic the formats can be MPEG-1, MPEG-2, MP4, H.264, WMV, AFCHD, BDAV, ASF, MOV, MP2, MP3, AAC, WAV, BMP, JPEG, PNG. 

For Dreamoc Diamond 4K til formats must be H.265. 

For Dreamoc Diamond Basic the maximum bitrate is 30 Mbps. 

For Dreamoc Diamond 4K the maximum bitrate is 60 Mbps.

You can develop content using the same tools and software as for normal video screens. The trick is to make it fit the display. To make that easier, we have made the content guidelines which can be downloaded on this page. Changing content is easy. You simply swap the SD card with another containing new content and the unit starts playing

Yes. The Dreamoc will play all supported movies on the card in numerical and alphabetical order. Once the last movie has finished playing, it will start playing from the top again.