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Defender - AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 8 Metal Cameras & 1TB HDD - White

Model: NS8B8A-1T
SKU: 6611469
$409.99
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Highlights

  • Key Specs
    • Field Of View: 125 degrees (The area of a target, measured as an angle from the location of viewing, that can be observed.)
    • Night Vision: true
    • Number Of Cameras Included: 8
    • Camera Power Source: Power over Ethernet (PoE)
    • Number Of Channels: 8
    • Storage Type: NVR
    • Indoor Or Outdoor Use: Indoor and outdoor (Indicates the appropriate environment product was designed to be used in.)
    • Audio Communication: 1-way (1-way communication devices allow a user to hear detected audio, while 2-way communication adds the ability for a user to talk back through the device.)
  • General
    • Brand: Defender
    • Model Number: NS8B8A-1T
    • Product Name: Defender AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 8 Metal Cameras & 1TB HDD
    • Color: White
  • Camera
    • Camera Resolution: 3840 x 2160, 3840 x 2160 (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
    • Field Of View: 125 degrees (The area of a target, measured as an angle from the location of viewing, that can be observed.)
    • Night Vision: true
    • Night Vision Distance: 100 feet
    • Night Vision Image: Color
    • Camera Movement: Fixed
    • Number Of Cameras Included: 8
    • Frame Rate: 25 frames per second (The frequency at which consecutive images can be captured. The higher the frame rate, the more detail that can be captured.)
    • Day/Night Mode: true (Captures images/video with optimal clarity by automatically adjusting settings to various light levels.)
    • IP Camera: true (An Internet Protocol (IP) camera is able to record and display image/video data via the internet, without need for a local recording device.)
    • Number of IR LEDs: 2 (Quantity of infrared (IR) LED lights for emitting IR light and allowing the camera to detect objects in low light.)
    • Image Sensor Type: CMOS (CCD and CMOS are the two main technologies used in image sensors. CCD, the older of the two types, turns analog light signals into digital pixels. This conversion happens without distortion, resulting in high-quality images. Newer CMOS sensors use transistors at each pixel to move electrical charges. CMOS sensors are typically less expensive, but also require more light to create distortion-free images.)
  • Power
    • Camera Power Source: Power over Ethernet (PoE)
  • Compatibility
    • App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
    • Compatibility: Defender Empower App
    • Model Compatibility: Apple iOS
    • Operating System Compatibility: Android
    • Voice Assistant Built-in: No, No (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
  • Connectivity
    • Camera Connectivity: Wired (Security system cameras can be set up in several ways. Wired cameras require cables for power and footage transmission, while wire-free cameras don't need cables for either. Wireless cameras still require cables for receiving power but are able to transmit footage via a wireless network.)
  • Recording & Playback
    • Records Audio: true
    • Number Of Channels: 8
  • Storage
    • Storage Type: NVR
  • Performance
    • Indoor Or Outdoor Use: Indoor and outdoor (Indicates the appropriate environment product was designed to be used in.)
    • Protective Qualities: Weather resistant
  • Features
    • Audio Communication: 1-way (1-way communication devices allow a user to hear detected audio, while 2-way communication adds the ability for a user to talk back through the device.)
  • Dimensions
    • Product Height: 9.94 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 8.63 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 1.63 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 5 pounds (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: 1 year limited
    • Warranty - Labor: 1 year limited
  • Other
    • UPC: 842751009631

Experience the gold standard in home security with the AI Sentinel 4K NVR Security System. This state-of-the-art home security system integrates seamlessly into your home, providing round-the-clock 4K quality surveillance with a simple DIY Setup. The next generation of SMART AI-Powered human detection uses an intelligent detection algorithm with instant mobile notifications. Advanced deterrence features include blue-red light, and a powerful LED spotlight. Enjoy sharp audio recording, and vibrant color night vision on your durable, metal weatherproof security cameras. No monthly fees required with the top-rated Empower Mobile app. ONLY compatible with Defender Empower app. Can not be used with other Defender apps.

  • PREMIUM QUALITY, DIY SETUP: ONLY compatible with Defender Empower app. Can not be used with other Defender apps. Professional grade metal-encased NVR with IP66 rated cameras that are designed to withstand extreme weather-conditions.
  • AI-POWERED SMART HUMAN DETECTION: Sentinel can detect human movement and alert you immediately, protecting your home or business while minimizing false alarms.
  • FLASHING BLUE-RED LIGHT DETERRENCE: Criminal deterrence is activated immediately with high-intensity blue-red flashing lights, a powerful LED spotlight & siren.
  • 4K CLEARVU: WITH AI SMART ENCODING: Breathtaking 4K Ultra HD captures even the finest details like faces or license plates with life-like clarity. AI SMART encoding optimizes footage to maximize storage.
  • VIBRANT COLOR NIGHT VISION: Turn pitch darkness into vibrant color with laser sharp image enhancement and spotlight illumination from up to 100ft. away.
  • NO MONTHLY FEES & LIMITLESS RECORDING: Your security cockpit with mobile & web-based viewing/controls. Expandable local storage utilizes SecureGuard™ technology & bank-level encryption to protect your footage.
  • PREMIUM QUALITY, DIY SETUP: ONLY compatible with Defender Empower app. Can not be used with other Defender apps. Professional grade metal-encased NVR with IP66 rated cameras that are designed to withstand extreme weather-conditions.
  • AI-POWERED SMART HUMAN DETECTION: Sentinel can detect human movement and alert you immediately, protecting your home or business while minimizing false alarms.
  • FLASHING BLUE-RED LIGHT DETERRENCE: Criminal deterrence is activated immediately with high-intensity blue-red flashing lights, a powerful LED spotlight & siren.
  • 4K CLEARVU: WITH AI SMART ENCODING: Breathtaking 4K Ultra HD captures even the finest details like faces or license plates with life-like clarity. AI SMART encoding optimizes footage to maximize storage.
  • VIBRANT COLOR NIGHT VISION: Turn pitch darkness into vibrant color with laser sharp image enhancement and spotlight illumination from up to 100ft. away.
  • NO MONTHLY FEES & LIMITLESS RECORDING: Your security cockpit with mobile & web-based viewing/controls. Expandable local storage utilizes SecureGuard™ technology & bank-level encryption to protect your footage.
Whats Included
  • 8x SMART AI 4K PoE IP Cameras
  • 1x 8ch NVR with 1TB HDD
  • 8x 60ft Ethernet Cable
  • 1x NVR Power Supply
  • 1x USB Mouse
  • 8x Camera Mounting Hardware and Drilling Templates
  • 8x RJ45 Waterproof Cap
  • Quick Start Guide
  • 8x SMART AI 4K PoE IP Cameras
  • 1x 8ch NVR with 1TB HDD
  • 8x 60ft Ethernet Cable
  • 1x NVR Power Supply
  • 1x USB Mouse
  • 8x Camera Mounting Hardware and Drilling Templates
  • 8x RJ45 Waterproof Cap
  • Quick Start Guide

Q: Does this security system require monthly fees?

A: No, this security system does not require any monthly fees for recording.

Q: What is the night vision distance of this security system?

A: The night vision distance of this security system is 100ft.

Q: Can I use this security system both indoors and outdoors?

A: Yes, this security system is designed for both indoor and outdoor use.

Q: What comes with this security system?

A: This system includes 6 metal cameras, an 8-channel PoE NVR, and a 1TB HDD.

Q: What is the night vision distance of this security system?

A: The night vision distance of this security system is up to 100 feet.

Q: What is the field of view for the cameras on this security system?

A: The security cameras on this system have a 125 degree field of view.

Q: What is the field of view for the cameras?

A: The cameras on this security system have a 125-degree field of view.

Q: Can this security system be used both indoors and outdoors?

A: Yes, this security system is rated for both indoor and outdoor use.

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Pros for Defender - AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 8 Metal Cameras & 1TB HDD - White
Video Quality, Motion Detection, Setup EaseThere were no pros for this productThere were no pros for this productCamera Quality

Specs

Reviews

Customers are saying

Customers express satisfaction with the AI POWERED Sentinel 4K Ultra HD security system's exceptional video quality, noting the clear and sharp footage, both day and night. The ease of setup is also frequently praised, with many users highlighting the quick and simple installation process. The system's audio recording capabilities are also appreciated. No significant drawbacks were reported by customers.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Defender: A Smart and Reliable Investment

    The Defender - AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System is an outstanding investment, delivering exceptional value for the price. Its 4K Ultra HD resolution provides nearly four times the clarity of 1080p, ensuring sharp, detailed images with impressive zoom and night vision capabilities. Whether I’m viewing footage on my home network or remotely from my phone, the system offers seamless accessibility. One of its standout features is its AI-powered object detection, which identifies people and vehicles based on their shapes. This intelligent filtering significantly reduces unnecessary alerts—eliminating notifications triggered by animals or shadows—so I only receive relevant security updates. Additionally, the continuous 24/7 recording feature adds another layer of reliability. With its pre-installed 1TB HDD, I can trust that every moment is captured, whether through constant recording or motion-triggered events. Having used an older version of this brand’s security system for over a decade, I decided to upgrade to this latest model—and the image quality and advanced technology have made it well worth the switch. For anyone seeking a high-quality, dependable security camera system, this is an excellent choice, making monitoring my home effortless.

    This review is from Defender - AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 4 Metal Cameras & 1TB HDD - White

    Posted by Venkat

  • Rated 5 out of 5 stars

    670 Safe Haven Rental

    5 STAR HISTORY I have enjoyed our family’s Defender Security Camera system and due to our experience, I recently purchased the Defender - AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 8 Metal Cameras & 1TB HDD. This system will help me keep an eye on my rental property and help keep them safe. The clarity of the 4K footage is simply breathtaking, capturing every detail with remarkable sharpness—day or night. The user interface is intuitive, making it easy even for those less technically inclined to navigate through recordings or adjust settings. The motion detection is reliable, minimizing false alarms and giving real peace of mind. In short, Defender continues to earn my trust through both innovative technology and a genuinely caring customer service team. It's rare to find a company so committed to their customers' security and satisfaction, and my family and I are grateful to have found them.

    Posted by AnalyticalShopper

  • Rated 5 out of 5 stars

    Great system!

    I had this camera system installed over the weekend and could not be happier with it. The night vision on the camera is in color and crisp. The deterrent red and blue lights are a big help since we live in an area with constant construction, and they help chase away unwanted company. The AI detection helps eliminate the false alarms of detecting passing cars and only alerts when people are near them. In the couple of days we have had he camera up, it has brought me great peace of mind when I'm at work or asleep at night. Highly recommend.

    This review is from Defender - AI POWERED Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 6 Metal Cameras & 1TB HDD - White

    Posted by AlexC

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