This isn’t the exact same model but is 24” 12v and has a dvd player.Where did you get the TV from?!
I use a firestick and hotspot it off my phone which has unlimited data.
I stream hd movies on Netflix with 2-3 bars of 4G.
It runs on 12v when off grid and 240v on EHU.
I use the DVD player when I’ve no service on my phone and have a stash of DVDs in the van.