SmallRig EB2504 12V/7.4V adapter is designed to power cameras and other equipment from a Sony NP-F battery. The unit can be mounted on a cage using a 1/4″ screw. For additional mounting security, the bottom of the plate has a special rubberized surface. A camera power cable is connected to one of the 12V or 7.4V outputs. Please note: cables are rented separately. LEDs on the housing indicate battery connection and show the battery charge level.