These licenses are a one-time purchase. There are no recurring monthly or annual fees to use the software. Once you apply an official license key to your NAS, that capacity expansion is permanent. License Transferability
A: Often, yes. While a standard 4K camera requires one license, multi-lens cameras can vary:
To help me tailor advice for your specific security setup, tell me: synology surveillance station license free
To help me tailor this information, tell me about your project: What specific do you own or plan to buy? How many total cameras do you need to install? Do you need advice on choosing compatible camera brands ? Share public link
You cannot get alerts or live view from disabled cameras. This is not real-time security—it’s sequential archival. These licenses are a one-time purchase
综合以上分析，这里给出几条切实可行且合法的经济方案：
Synology Surveillance Station includes by default with nearly every standard NAS model . While the software itself is free to download and use on your NAS, expanding beyond these initial two cameras requires a one-time purchase for additional licenses. Free License Quotas by Model License Transferability A: Often, yes
The short answer is The long answer requires understanding Synology’s business model, the two free licenses included with every NAS, and the legitimate (and not-so-legitimate) ways to scale beyond that.