Synology Hardware Licensing for Synology Disk Station Camera - License - 8 Camera Synology Hardware Licensing for Synology Disk Station Camera - License - 8 Camera - Licence - 8 Camera Synology Surveillance Device License Packs are designed for expanding camera, I/O module, and access controllers set up on Synology Surveillance Station. By default, two device licenses1 are installed on a Disk Station or Rack Station, and more default licenses are installed on an NVR2. Extra licenses can be purchased for additional surveillance devices according to business needs.