eufy Security 4K NVR System S4 Max, 4-Cam, 4TB HDD, PoE Wired | 24/7 Recording, Triple Lens Bullet-PTZ Cam, 360° PTZ, Up to 16CH, Cross-Cam Tracking, 8× Auto Zoom, Smart Video Search

4K Triple-Lens Bullet-PTZ Camera. The upper 4K wide-angle camera provides a 122° fixed view of the entire scene, while the lower 2K PTZ camera features 8× auto-zoom and 360° pan for complete coverage. NOTE: To ensure you can use our PoE NVR Security System smoothly, please make sure your eufy APP is updated to the latest version of iOS V5.0.70/Android V5.0.71 or above.

Live Cross-Cam Tracking. All cameras work in sync to track movement in real-time. When one camera reaches its limit, another takes over instantly, ensuring continuous, uninterrupted coverage—all under your control.

Seamless Integration with the eufy Ecosystem: Instantly connect your NVR PoE System with eufy battery Wi‑Fi cameras, video doorbells and sensors, enabling them to use NVR features like 24/7 recording, smart video search, AI recognition, and app control — all in one secure system.

Expandable Security with 4TB Storage. 8‑Port NVR that can be expanded to 16 channels via a PoE switch (Not included). Supports up to 8 Bullet‑PTZ Cams (uses 2 channels each) or up to 16 Bullet/Turret Cams. Includes a pre‑installed 4TB HDD (Upgradeable to 16 TB) for 24/7 recording.

Local AI Agent. Unlock proactive, real-time security with our local AI agent, fueled by 6T/8-Core power for instant analysis, genuine threat identification, and decisive action. Customize no-go zones and alerts, enabling AI to accurately detect real danger and ensure tailored responses.