The PWSL-HF45 is the software license of high frame rate (HFR) Software with the PWS-4500 live server. Installing PWSL-HF45 in the PWS-4500 allows you to record video signals at high frame rates in the PWS-4500. Signals recorded at a high frame rate can be played back as smooth slow motion video. The high frame rates supported depends on the connected cameras.
Adding HD HFR (4x, 6x and 8x) capability to the PWS-4500 server
Adding 4K HFR (2x) capability to the PWS-4500 in combination with the PWSL-HR45 Software