The R-3 II features three (3), daylight-balanced Power LEDs that deliver up to 500 lx of illumination, and the unit is dimmable from 20-100%. This light also features a unique barn door system. The barn door system is composed of two (2) barn doors that act as flags to shape your light and of two (2) swing-away filters, one (1) tungsten filter and one (1) diffusion filter. Whether shooting indoors or in tight quarters, the R-3 II offers solutions for adjusting the quality of your light as needed. This light has a standard cold shoe mount that has an integrated 1/4"-20 female thread. The addition of the 1/4"-20 female thread allows for the attachment of mounting accessories such as a Baby Pin, Spigot, or Hand Grip. This R-3 II model comes with a Sony NP-F battery plate. The R-3 II comes in two battery plate options: Sony NP-F and Panasonic D28S.