The PWSL-HR45 is the software license to add 4K and HD CUTOUT capability to the PWS-4500 live server. Installing PWSL-HR45 in the PWS-4500 enables you to have 4K recording/playback capability, and cut a full HD image out from up to 3 recorded 4K sources. Each cut out sequence uses key frames referenced to timecode, position & zoom level for fast, intuitive and creative operation.