Definitely OVA.  As Key observed has the brown 
armguards.

In OVA, Deedlit has tied on armguards and boots in 
a brown shade.

In TV, Deedlit has blue armguards and boots with 
no ties.

I have seen a couple of TV Deedlits erroneously 
called OVA cels when her TV blue armguards could 
be seen.