Three security bullet cameras floating against dark studio background with blue rim lighting

Security Camera Technology Hub

A security camera is a video sensor that records footage to a local DVR, NVR, or cloud server for property surveillance. Modern security cameras use IP networking, Power over Ethernet, and H.265 compression. This hub covers product picks by use case plus the technology guides that explain what specs mean.

This hub sits under the PVRBlog.com home page.

Best Cameras by Use Case

White bullet security camera with infrared LED ring mounted on a wall

Product picks organized by how you will actually use them. Browse all best-of lists.

Camera Technology Deep Dives

Wondering what runs offline? See whether security cameras work without internet, Wi-Fi, or power, including audio-recording rules.

White dome security camera mounted on a ceiling

How resolution, night vision, IP ratings, and lens choice affect the footage you actually get. Browse technology guides.

Camera Comparisons

Two turret security cameras side by side for comparison

Side-by-side answers to the most common trade-off questions. Browse comparisons.

Security Camera Brands We Review

Our camera coverage spans the major security camera brands, from budget-friendly PoE kits to enterprise IP systems. Each brand guide compares the current lineup, resolutions, and recorder pairings so you can match cameras to the right DVR or NVR.

On the technology side, see our guide to the ONVIF protocol for cross-brand camera and NVR compatibility.

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