eufy Security - 4K NVR Security Camera System S4 Max(No HDD, Expandable to 16TB),PoE Wired,Triple Lens Bullet-PTZ Cam,Cross-Cam Tracking
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About this product
eufy 4K NVR Security Camera System S4 Max(No HDD, Expandable to 16TB),PoE Wired,Triple Lens Bullet-PTZ Cam,Cross-Cam Tracking
Highlights
4K 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.
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.
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.
Expandable Security
8‑Port NVR expandable to 16 channels via PoE switch (not included). Supports up to 8 Bullet‑PTZ Cams (uses 2 channels each) or up to 16 Bullet/Turret Cams. 24/7 recording capability with your self-installed HDD.
eufy Ecosystem Integration
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.
- Camera Power SourcePower over Ethernet (PoE)Storage TypeNVR
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eufy 4K NVR Security Camera System S4 Max(No HDD, Expandable to 16TB),PoE Wired,Triple Lens Bullet-PTZ Cam,Cross-Cam Tracking

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Expand your home protection with the 3-pack eufyCam 3 system. Featuring 365-day solar powered battery life, motion-activated spotlight and flexible installation, you remain watchful over your home from anywhere, anytime. Three cameras deliver crisp, full color 4K clarity for highly detailed views of what is occurring around your home during the day and evening. Exclusive BionicMind self-learning AI can differentiate between family and strangers with up to 99.9% accuracy, so you only receive alerts of new or unfamiliar faces over time. With expandable local storage up to 16TB and no monthly subscription fees, you remain in full control of the footage captured by eufyCam 3.

Experience clear visibility and zero blind spots with the eufyCam S4 outdoor camera kit. Combining a 4K bullet lens camera for focused views with 2K dual-lens PTZ camera for 360° coverage, you can see more, instantly track people, and zoom in on them up to 164 ft. The solar-powered wireless camera features SolarPlus™ 2.0 for year-round charging with just an hour of sunlight a day. Smarter AI, expandable on-device storage**, and built-in lights with siren stop threats in their tracks—no fees, no compromises.
| Pros for eufy Security - 4K NVR Security Camera System S4 Max(No HDD, Expandable to 16TB),PoE Wired,Triple Lens Bullet-PTZ Cam,Cross-Cam Tracking | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Battery Life, Camera Quality, Ease of use, Overall Performance, Setup | Battery Life, Video Quality, Tracking Performance, Setup Ease, AI Performance |
| Cons for eufy Security - 4K NVR Security Camera System S4 Max(No HDD, Expandable to 16TB),PoE Wired,Triple Lens Bullet-PTZ Cam,Cross-Cam Tracking | |||
| There were no cons for this product— | There were no cons for this product— | Size, Motion Detection, Connectivity, Price | Size |
Specs
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