Batsuit Utility Rig (Controller)

The Batsuit Utility Rig is the Waist armour segment of the Dark Specter Batsuit Iconic Battle Suit.

Source
The Batsuit Utility Rig is can be bought from Batgirl in the JLA Watchtower's Tech Wing

Trivia

 * All previews of the Dark Specter Batsuit do not show the Shoulder and Waist pieces of the suit.