The GP-S-BMCC is a V-Mount plate that supplies double P-Tap outputs and 12" Black Magic Cinema Camera DC pin connection.
Input: DC 11-17V
Output for Camera: DC 11-17V, Unregulated 4-Pin XLR Female
Output for Two P-Taps: DC 11-17V, Unregulated
Size: 3.25" x 5.5" x 0.5"
Weight: 0.4 lbs.