The 4K Software License from Sony is a software license of 4K upgrade software that provides support for additional shooting formats for the Sony HDC-4300 color camera. Signal processing and output of images are performed by the connected BPU-4000, BPU-4500, or BPU-4500A series baseband processor units (available separately). The SZC-4001 software adds support for shooting and transmission in 4K/23.98P, 24P, 25P, 29.97P, 50P, and 59.94P formats. This license is valid for an unlimited period.