What's in the box:

Andoer BMD URSA Series V-Mount V-Lock Battery Plate Adapter (Black)

Features:
Made of metal and ABS, very durable.
V-mount battery plate adapter.
BMD 12-pin DC plug.
11V-16.8V input and output for the V-mount battery plate adapter.
Suitable for Blackmagic Design URSA/ URSA Mini 4K/ URSA Mini 4.6K/ URSA Mini Pro camcorder.

Specifications:
Brand: Andoer
Color: Black
Material: Metal and ABS
Compatible Models: For Blackmagic Design URSA/ URSA Mini 4K/ URSA Mini 4.6K/ URSA Mini Pro Camcorder
Input Voltage: (From V-mount battery) DC11V-16.8V
Output Voltage: (For camcorder) DC11V-16.8V
Item Size: 14.1 * 8.2 * 1.2cm / 5.6 * 3.2 * 0.5in
Item Weight: 121g / 4.3oz
Package Size: 14.5 * 9.5 * 2.3cm / 5.7 * 3.7 * 0.9in
Package Weight: 127g / 4.5oz

Package List:
1 * Andoer V-Mount Battery Plate Adapter