Pack 8 licenses for additional camera on Synology monitoring station

Surveillance Device License Pack - 1 license pack and update for 1 camera
Synology Surveillance Device License Packs are designed to expand the number of cameras, I / O module, access controllers, and transaction devices implemented on your Synology Surveillance Station.
By default, two licenses are installed on a DiskStation or RackStation, and more default licenses are installed on an NVR3.
It is possible to purchase additional licenses for additional monitoring devices depending on the needs of the business.

Surveillance Device License Pack - 4 licenses pack and update for 4 cameras
Synology Surveillance Device License Packs are designed to expand the number of cameras, I / O module, access controllers, and transaction devices implemented on your Synology Surveillance Station.
By default, two licenses are installed on a DiskStation or RackStation, and more default licenses are installed on an NVR3.
It is possible to purchase additional licenses for additional monitoring devices depending on the needs of the business.