Image quality
Newer cameras have better image resolution, wider dynamic range, and better low-light performance
This means the footage is sharper and clearer, and can capture more details

Storage
You can increase storage by adding more hard drives or expanding the capacity of your NVR
You can also convert to a cloud-based system

Smart security features
Upgraded systems can include advanced features like facial recognition, AI-driven monitoring, and real-time warnings

When to upgrade
A 2023 survey found that modern CCTV cameras reduced burglary attempts by 40% compared to older models
You might need to upgrade if your system is old or not recording reliably