so is this set up digital, and dji air unit the same goggels that they use with the Dji Fpv ?
Yes same goggles different drone and controller 
well the only features you wouldnt have are the collision detection and the return home, everything else can be set up with betaflight. I think the important thing is that even if you dont crash it if you are wanting do freestyle/racing you will grow out of it very quickly and want to get a proper 5" quad anyway as its capable of those things but not that good at them it has quite bad propwash and oscillation issues from the freestyle pilots ive seen test them out. Honestly just get a BNF 5" set it to acrotrainer mode in betaflight if you arent ready for full acro mode and go at it.