This blue Coiled D-Tap to Locking DC 2.1mm Right-Angle Cable from Kondor Blue is a 16 to 50" coiled cable with a 5.5 x 2.1mm DC barrel connector on one end and a male D-Tap connector on the other. It's perfect for powering select monitors, lights, or other accessories with your D-Tap battery. The barrel end features a locking connector to help prevent accidental disconnections, and it's built tough to withstand wear and tear on set.