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Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System with 4 Cameras

Color Night Vision, Smart Human Detection, Free Storage, IP66 Weather Rated, 15 FPS Live View, No Monthly Fees, 1TB Built-In HDD, and Premium App for Mobile Viewing.
Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System with 4 Cameras

Other Options

Fast & Free Shipping+
45 Day Returns+
Price Match Guarantee+

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
See EVERY moment that matters in unparalleled 4K Ultra HD quality with audio recording. Enjoy true to life footage, including visibility of faces and license plates.

Vibrant Color Night Vision

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

Audio Recording

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

Smart Human Detection

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

Deterrence Spotlight

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

No Monthly Subscription or Hidden Costs

Recording that never stops. NEVER PAY to store your recordings again! With a tremendous 1TB of built-in storage, you'll never be burdened by contracts or monthly fees again.

Premium EMPOWER App

Live View
Save & Share
Playback with Sound

Metal IP66 Weather Rated Cameras

The Sentinels is crafted with a premium aluminum alloy finish, and built to withstand the elements. Durability is far superior to that of traditional plastic cameras. The Sentinel is built to last.

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
  • 4 x 4k Ultra HD digital cameras with color night vision
  • 1 x 8 Channel POE NVR with 1 TB HDD
  • 4 x 60ft Ethernet Cable
  • 1 x NVR USB Mouse
  • 1 x NVR Power Supply
  • 1 x 6ft HDMI Cable
  • 1 x 6ft Ethernet Cable
  • Quick Start Guide
  • Warranty Registrations Insert
  • Mounting Hardware and Drilling Template
  • Window Warning Sticker (3in x 2in)
Image Sensor:1/3" CMOS Sensor Signal System:PAL/NTSC Min. illumination: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: 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: 8CH 720P/960P/1080P/3MP/4MP/5MP/8MP HDMI output:1 ch, HDMI interface; resolution: 4K / 30Hz; VGA output:1 ch, VGA interface; resolution: 1920x1080P / 60Hz Audio In/Out:1/1 Synchronous Playback:4/1 Digital Zoom X:8X CVBS Output:NA Two-Way Talk:N/A
Compression standard:H.264/H.265 Encoding Resolution:720P, 960P, 1080P, 3MP, 4MP, 5MP, 8MP Frame Rate:Max 15fps, Frame rate self-adaption Video Bit Rate Mainstream: 128Kbps~4096Kbps, Sub stream: 16Kbps~1024Kbps Stream type:Audio and video streaming / video streaming, support variable bit stream (VBR) / fixed bit stream (CBR)
General (NVR)
Power Supply: DC +48V Power Consumption:≤15W NVR Working Temperature:-40℃ ~ 50℃ (-40° F ~ 122°F) NVR Working Humidity:10%~~ 90% NVR Dimensions (W×D×H):25.8x21x4.2cm (25.8x1.65 inch) NVR Net Weight:≤1Kg
Network Interface:1 *RJ45 100M adaptive Ethernet port Protocols: Protocols NTP (network school time), SMTP (mail service), PPPoE (dial-up Internet access), DHCP (automatically obtain an IP address) Remote Users: 20
Hard Disk
SATA:Support 1 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
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

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+