The 5660 Silent Knight Software Suite allows you to upload (receive) data from a panel to a PC or download (send) data from a PC to a panel. The 5660 software makes it easy to program panels from a remote location or locally when directly connected to the panel. Compatible with 5104, SK-5208, 5700, 5808, 5820XL, and 5820XL-EVS fire alarm control panels.