eufy 4K NVR S4 Max (No HDD)
- 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 delivers 8× auto-zoom and seamless 360° coverage for comprehensive monitoring.
- Auto-Framing and Group Tracking: When the bullet camera detects a subject, the PTZ locks on and auto-tracks them in sharp, centered close-ups from up to 164 ft away. Auto-zoom keeps moving subjects framed until they exit view.
- 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.
- 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.
- Smart Video Search with no subscription fee: Instead of scrolling through all of your videos, instantly find what you're looking for by searching keywords.
- IP65 and Two-Way Talk: Withstands any weather with robust IP65 waterproofing for reliable monitoring. AI noise reduction filters our background noise for crystal-clear, distraction-free two-way communication.
- Expandable Security with 8TB 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. 24/7 recording capability with your self-installed HDD.
- 3-Year After Sales Support: Rest easy knowing your product is covered by our 3-year after-sales service. Our expert support team is on standby 24/7, ready to resolve any concerns swiftly and keep you up and running.
Payment Methods
Delivery Methods
Resolution
Bullet 4K, PTZ 2K+2K
Lens & FOV
16MP Triple Lens, 360° PTZ
Zoom
8× Hybrid Zoom(3× Optical Zoom)
Color Night Vision
Starlight/Spotlight/infrared
Warning LIght
White/Red & Blue Warning Light
AI Recognition
Person/Car/Pet/Stranger
Live Cross-Cam AI Tracking
Yes
Smart Video Search
Yes
PoE 24/7 Recording
Yes
Local Storage
Not Included
Hard Drive Requirements
Interface: 3.5-inch SATA HDD
Capacity: Up to 16 TB
Recommended: Surveillance-grade drives (WD Purple, Seagate SkyHawk)
Not Supported: SMR drives, PC-grade (non-surveillance) HDDs
Installation: User-installed (HDD NOT included with this bundle)
NVR Channel
8 Channels (Expandable Up to 16)
Usage Mode
App/GUI/Web
NVR Compatibility
Compatible with eufy other products (requires eufy Wi-Fi Module T8709 for wireless device support)
FAQ
FAQ
User Manual Downloads
User Manual Downloads












