the BEST security camera I have reviewed so far - review of ReoLink cameras for Synology NAS - YouTube
Recommended IP Cameras for NAS Surveillance – A Handy Guide – NAS Compares
The Best Edimax IP Cameras for your Synology and QNAP NAS – NAS Compares
Install IP cameras that are not on the Surveillance Station IP camera supported list (Generic, ONVIF, and User Defined) | Get Started With Surveillance Station - Synology Knowledge Center
Best Security Cameras for NAS 2021 | Windows Central