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.
- Fast, Free Shipping
- 30-Day Money-Back Guarantee
- Hassle-Free Warranty
- Lifetime Customer Support
What the Pros Say
LifeHackster
I like how it tracks and zoom in. eufy has a more refined hybrid zoom than the other systems that I have tested.
Jon Rettinger
It looks like one camera.
It's actually three.
The Unlockr
It can support a higher resolution
and even multiple streams at once
Overview
Smart Video Search Find Footage in Seconds
Smart Video Search: Instantly find videos with keyword search
No scrolling—quickly locate recordings by searching keywords
Smart Security: Set zones and alerts to give each area the right response.
Human, Vehicle & Pet Recognition; Custom Zones; Warning Light
Your Personal Security Expert Bring Your Own Hard Drive
The NVR's local AI agent sees, thinks, and acts like a human to deal with threats in real time with on-device AI, choose Your Storage: 2TB-16TB. Save Money with Flexible Options
Total Home Coverage, Simplified
One Cable for Plug-and-Play Security
Easy single-cable install for always-on security.
Flexible All-in-One Local Security
Multi-camera live streaming and control
See More features
Specs
| Image/Video Quality | |
| 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 |
Which Cam is right for you?
FAQ
1. Does this system include a hard drive? What type do I need?
2. What is in the box?
1 x Network Video Recorder S4（HDD NOT Included - User Installation Required）
4 x PoE Cam S4
4 x 59ft/18m Ethernet Cable, 1 x 3.3ft/1m Ethernet Cable, 1 x HDMI Cable
1 x Power Adapter, 1 x USB Mouse, 4 x Waterproof Cover Pack
4 x Mounting Bracket, 4 x Screw Pack, 1 x Quick Start Guide
1. How do I use the NVR?
GUI (Display): Connect the HDMI to the display, you can control it via the display.
App: Download the latest version of the eufy app from the App Store or Google Play.
Web Portal: Please log in to eufy.com, then click Support > NVR Web Portal.
2. How many real-time streams can the NVR support at most? How many channels of real-time flow does the Bullet-PTZ occupy?
The NVR supports up to 16 channels. The Bullet-PTZ camera occupies 2 real-time streams, and up to 8 Bullet-PTZ cameras can be connected.
1. Does the eufy NVR system support PoE cameras from other brands? Are eufyCam, SoloCam, eufy Video Doorbell, and Entry Sensor supported?
eufy Wi-Fi Module (T8709, schedule to launchlater)) is required forcompatibility with wireless cameras, doorbells, and sensors.
1. How do I update the NVR firmware?
Automatic Update: Ensure NVR is connected to the eufy app. Updates are automatic.
Manual Update: Ensure NVR is online. Go to Settings > Firmware Update > Check for Updates.
USB Update: Download the firmware file from service.eufy.com to update.