IDX ET-PV2UR V-Mount Adapter Plate for Blackmagic URSA Camera IDX ET-PV2UR V-Mount Adapter Plate for Blackmagic URSA Camera - 4x M3(8mm) Screw - IDX 2 Year Limited Warranty Seamless look and proper power connectivity D-Tap (unregulated) provides power to ancillary accessories (50W max) Compatible with all IDX ENDURA High load capable batteries