What are Batman's Batarang feat's?

i know that the he can throw them at a speed of 127 MPH

http://www.comicvine.com/batarang/18-46297/

booya

Under the Hood: Ricochets a batarang off a "pipe thingy" (to quote Joker) and nails Jason in the back of the head.

Double throws a pair at Jason earlier in the story forcing him to choose which wound he is going to take (knowing that Jason is capable of dodging a single 'rang).

Inserts an explosive batarang into Amazo's leg without the android detecting it. ("You'll have to do better than that!" "I did..." BOOM!)

Superman/Batman - 'Mashup': Cracks Aquaborg's helmet with a perfectly thrown batarang (Aquaborg states nobody has ever managed to crack his helmet before).

Knightfall: Saves Jeremiah Arkham's life with an insane throw through prison bars, disarming a rather nasty shotgun trap set up by Joker, timing the throw, discharge of the gun and Dr. Arkham falling to his knees with perfect precision.

Those are all I can think of without reading through a thousand back issues lol.