The SLR Hut Sony XDCA-FS7 Extension Unit for the PXW-FS7 is an adaptive feature for the camcorder model which enables RAW data output for 12-bit 4K/2K RAW recording footage with additional I/O. It also has built-in Apple ProRes encoding for 1080p ProRes 422 video for XQD card. The Extension Unit adds Timecode and Genlock connectors for multi-camera operating, and a V-Mount battery connector. 4-pin Hirose DC power output provided.