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Overview

A 4K 122° eye that never blinks plus a 2K spinner that zooms 8× and pans 360° to tail intruders up to 164 ft away. While local AI running on an 8-core brain decides friend vs. foe and locks the frame on every move. Speak through storm-proof IP65 metal, draw no-go zones with a tap, and search “red hoodie” to land on the exact moment in seconds.

eufy 4K NVR Security Camera System S4 Max, PoE Wired, 16 MP Triple Lens Bullet-PTZ Cam, 360° PTZ, 8× Auto Zoom, Cross-Cam Tracking, 24/7 Recording, 2TB HDD, White

Model: E8E00121
Web Code: 19637207
Sold and shipped by | 4.2 seller rating (37 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Enjoy on orders from this seller.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • 1 x Network Video Recorder S44 x PoE Cam S44 x 59ft/18m Ethernet Cable, 1 x 3.3ft/1m Ethernet Cable, 1 x HDMI Cable1 x Power Adapter, 1 x USB Mouse, 4 x Waterproof Cover Pack

• 16 MP 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 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.

• Expandable Security, Effortless Setup: 8-channel surveillance that can be easily expanded to 16. Includes a pre-installed 2 TB HDD (upgradeable to 16 TB) for 24/7 recording. Plug and play design with one PoE cable for power and video, making eufy camera and smart assistant integration seamless.

• 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.

• 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.

• Free Smart Video Search: 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 weatherproofing for reliable monitoring. AI noise reduction filters our background noise fopr crystal-clear, distraction-free two-way communication.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Smart home products
Return/Exchange Period
30 days
Condition
Opened