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Sentinel 4K Ultra HD Wired PoE NVR Security System with 12TB 16 Metal Cameras

Color Night Vision, Smart Human Detection, Free Storage, IP66 Weather Rated, 15 FPS Live View, No Monthly Fees, 12TB Built-In HDD, and Premium App for Mobile Viewing. 
Sentinel 4K Ultra HD Wired PoE NVR Security System with 12TB 16 Metal Cameras
Fast & Free Shipping+
45 Day Returns+
Price Match Guarantee+


*Discount Valid on Full Priced Items Only. Exclusive Bundles, Open Box, & Extended Warranties Not-Applicable.

All-in-one cable provides power, video & audio. No BNC cables or camera power adapters required!
8 Megapixel UHD Sensor
Infrared LED Color Night Vision
No Contracts or Monthly Fees
128-bit Bank-Level Encryption
Remote Mobile Viewing
Smart Human Detection
Designed For Maximum Protection Protect what matters most with 4K video recording. View every angle and say goodbye to blind spots around your property with 16 High-Definition cameras. Keep your home, convenience store, restaurant or warehouse safe 24/7.

4k ultra hd clearvu™ technology

ClearVu™ Brilliant 4K Ultra-HD gives you four times the resolution of a standard 1080P security system. Distinguish faces and license plates, day and night with Sentinel.

Vibrant color night vision

A huge leap forward in low light recording! Capture every detail in color, up to 100ft away, even in complete darkness.

IR Night Vision

Ambient Light

Color Night Vision

Smart Human Detection

Using leading edge technology, the Defender Sentinel camera can easily differentiate between humans, animals, and other objects; significally reducing unnecessary notifications.

Sharp Audio Recording

Give your video footage the full story with extremely clear audio. Using a high-sensitivity mic, sound and video are perfectly synchronized to get the full picture of what really happened.

Metal ip66 weather rated cameras

Using the finest metal casing with premium finishing, these cameras are built tough and rated IP66 to provide maximum durability. Unlike the traditional plastic camera, this camera will not decay over time. It is UV light and dust resistant, offering ultimate protection from water ingress, and has enhanced heat dissipation.

no monthly subscription, fees, or hidden costs

Business-grade security that never stops recording, With an unprecedented 12TB of built-in storage, record and store up to 60 days of continuous 4K Ultra HD footage free of charge and storage locally ensuring that your business is protected and secure.

uninterrupted reliable wired connection

Advanced encryption coupled with a reliable wired connection means you can rest assured that your 4K system will keep watch 24/7. Sentinel 4K is internet optional giving you secure recording even if the internet connectivity goes down. Recorded footage is never uploaded to the cloud and is stored locally for your eyes only.

Deterrence Spotlight

Deter intruders in their tracks and add peace of mind with the powerful LED spotlight.

Premium EMPOWER App

Live View
Save & Share
Playback with Sound

Simple, Clear, Convenient App

The Defender Empower app allows you to remotely view live video or playback recorded footage from multiple devices.

Save & Share

You can save snapshots and recordings directly to your device to easily share footage with friends , family or police.
Live Notifications

Intelligent Notifications

Never miss a moment with instant motion alerts and tailored push notifications.
Live Notifications

See More with Live View

View live or recorded footage on the go, directly from the app.
Live Notifications

We’ve Got You Covered

Flexible Viewing View with the free mobile app,
or on a TV or monitor (VGA/HDMI).
Internet Optional Remain secure even if the
Internet goes down.
Reliable Connection A wired system means you’ll
never have to deal with interference.
Rated IP66 Built to withstand rain, snow and dust.
Vandal Resistant Unexposed wires and rigid mounts protect
against tampering.
Withstanding Sub-Zero -40°C ~ 50°C (-40°F ~ 122°F).
Model Number
What's Included
  • 1 x Channel POE NVR with 2x 6TB HDD
  • 16 x 4K Ultra HD POE IP Cameras
  • 16 x 60ft Ethernet Cables
  • 1 x HDMI Cable
  • 1 x 6.5ft Ethernet Cable
  • 1 x NVR Power Supply
  • 1 x USB Mouse
  • 16 x Camera Mounting Hardware
  • 16 x RJ45 Waterproof Cap
  • 1 x Quick Start Guide
  • 1 x Window Warning Sticker
  • 16 x Drilling Template
  • Lifetime Chat Customer Support 
Image Sensor:1/3" CMOS Sensor Signal System:PAL/NTSC Min. illumination:Color:0.01Lux@ (F1.2,AGC ON) ;, B/W:0Lux@(IR LED ON) S/N Ratio : More than 50dB IR Range:Up to 30 m # of IR LEDs: 18pcs IR Distance: 18 infrared lights and 18 white lights; infrared 20 meters, white light 10 meters (varies by environment)
Lens Type:Fixed focus Iris:Fixed Iris Focal Length:4 mm Aperture: F2.0 Field of View:75°
Resolution: Main stream:3840*2160,Sub stream:800*448 Frame Rate:Max 15fps,frame rate self-adaption Video Output:Support AHD/TVI/CVI/CVBS Output Day/Night:AUTO (ICR)/COLOR/B&W/ Ext OSD Menu:Support Wide Dynamic Range:OFF/ON Gain Control:Auto Noise Reduction:3D DNR (AUTO/MANUAL 0-20) White Balance:Auto BLC:Support
Video and Audio
Video Input: 16ch 720P/960P/1080P/3MP/4MP/5MP/8MP Digital Zoom X:8X Audio In/Out:1/1 Two-way Talk:N/A HDMI output:1 ch, HDMI interface; resolution: 4K / 30Hz; VGA output:1 ch, VGA interface; resolution: 1920x1080P / 60Hz Synchronous Playback:2ch@8mp, 4ch@5mp, 4ch@3mp, 4ch@1080P
Compression standard:H.264/H.265 Encoding Resolution:720P, 960P, 1080P, 3MP, 4MP, 5MP, 8MP video encoding Frame Rate:Max 15fps, Frame rate self-adaption Video Bit Rate:Mainstream: 128Kbps~4096Kbps, Substream: 16Kbps~1024Kbps Stream type:Audio and video streaming/video streaming, support variable bit stream (VBR) / fixed bit stream (CBR) Audio Compression:G.711
POE Interface:H.264/H.265 Encoding Resolution:16 * RJ45 10M/100M Adaptive Ethernet Port Protocols:IEEE802.3af/at Output Power:≤30W
Network Interface:1 *RJ45 10M/100M/1000M adaptive Ethernet port Protocols: NTP (Network Time Protocol), SMTP (mail service), PPPoE (dial-up Internet access), DHCP (automatically obtain an IP address) Remote Users: 20
SATA:Support 2 SATA interface Capacity:Each interface supports a hard disk with a maximum capacity of 6TB
Alarm In/Out:N/A USB Interface:2 *USB2.0 ports
General (NVR)
Power Supply:DC +48V 3.75A Power Consumption:≤180W NVR Working Temperature:-40℃ ~ 50℃ (-40° F ~ 122°F) NVR Working Humidity:10%~~ 90% NVR Dimensions (W×D×H):32.2x24.5x5cm (12.5x9.64 x1.97inch) NVR Net Weight:≤3 Kg (6.61 lb)
PLEASE NOTE: The power supplies are not water-resistant and should not be used outdoors.
Camera Power Supply:DC 12V/PoE(802.3af) Camera Power Consumption:DC 12V/1A Camera Operating Temperature:-40°C ~ 50°C (-40°F ~ 122°F) Operating Humidity:Humidity less than 95% (non-condensing) Power Plug Type:Type B Weather Resistance Rating(IP Rating):IP66 Certifications:FCC/IC Casing:Plastic Camera Dimensions:162 × 58 mm (6.4 x 2.3 inch) Net Weight:0.16 kg
PLEASE NOTE: The power supplies are not water-resistant and should not be used outdoors.
Web UI
Not Compatible
Country of Origin
Made in China
Comparison Chart

Support Videos

Defender Sentinel | First Time Set Up | VIDEO
"The app itself utilizes 128-bit encryption. This is the same level of encryption used by major banks, as well as Apple’s “unhackable” phone encryption"
"The daytime image quality and resolution are absolutely the best you’ll find at this price point"

Support Videos

Defender Sentinel | First Time Set Up | VIDEO

Protecting Americans for over 20 Years.


Frequently asked questions

Does Defender Provide Free Shipping?+
What is the Return Policy?+
What is Defender's Price Match Guarantee?+
Are these 4K Security Systems wireless?+
What is the difference between 4K (8 Megapixel) and 2K (4 Megapixel)? +
Can I allow other people to view my NVR remotely?+
How many hours of recorded footage can the Sentinel NVR store?+
Can I view my live or recorded footage from a web browser?+
Is Sentinel compatible with other Defender Camera security system?+
Can I Extend My Camera’s Ethernet Cable?+
Product Comparison Chart+