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Overview

The Defender Sentinel is a wired 4K NVR security system with four PTZ cameras that give full 360° coverage with no blind spots. Intelligent AI auto-tracking follows movement, and 4K ClearVu resolution captures fine details such as faces and license plates.
  • AI-powered smart human detection with immediate alerts and minimized false alarms
  • Free Empower mobile app, with no separate app purchase
This description was generated by AI and reviewed for accuracy.

Defender Sentinel 4K AI Wired NVR Security System - 4 PTZ Cameras, 360° Coverage, Auto-Tracking, Two-Way Talk

Model: NS8B4PTZ-1T
Web Code: 18523005
Sold and shipped by | 3.6 seller rating (60 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.

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:

  • 4x 4K UHD SMART AI PTZ Cameras
  • 1x 8ch NVR with 1TB HDD
  • 4x 60ft Ethernet Cable
  • 1x HDMI Cable
  • 1x 6.5ft Ethernet Cable
  • 1x NVR Power Supply
  • 1x USB Mouse
  • 4x Camera Mounting Hardware
  • 4x RJ45 Waterproof Cap
  • 4x Drilling Template
  • 1 x Window Warning Sticker
  • 1 Year Warranty
  • Warranty Registration Insert
  • Quick Start Guide
What you need to know
  • Defender Sentinel AI-powered 4K wired NVR security system with 4 PTZ cameras
  • Full 360° coverage eliminating blind spots, with intelligent AI auto-tracking
  • 4K Ultra HD (4K ClearVu) resolution capturing fine details such as faces and license plates
  • Only compatible with the Defender Empower app; cannot be used with other Defender apps
Know what's happening when you're away
  • AI-powered smart human detection with immediate alerts and minimized false alarms
  • Intelligent AI auto-tracking
  • Flashing blue-red light deterrence plus a powerful LED spotlight and siren
  • Two-way talk
Clearer views and useful alerts
  • 4K Ultra HD (4K ClearVu) resolution capturing fine details such as faces and license plates
  • Full 360° PTZ coverage eliminating blind spots
  • Vibrant full-colour night vision with spotlight illumination from up to 100 ft away
How it fits your home or property
  • IP66-rated metal cameras built to withstand extreme weather
  • Professional-grade metal-encased NVR
Storage and access
  • AI Smart Encoding optimizes footage to maximize storage
  • Remote viewing through the free Empower mobile app
Setup requirements
  • Wired NVR system with a simple DIY setup
Notes and disclaimers
  • This system is only compatible with the Defender Empower app and cannot be used with other Defender apps
  • Proudly Canadian since 1999
This description was generated by AI and reviewed for accuracy.

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 may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

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*:
  • British Columbia (Remote)
  • Alberta (Remote)
  • Saskatchewan (Remote)
  • Manitoba (Remote)
  • Ontario (Remote)
  • Quebec (Remote)
  • New Brunswick (Remote)
  • Nova Scotia (Remote)
  • Prince Edward Island (Remote)
  • Newfoundland and Labrador (Remote)
  • Yukon
  • Northwest Territories
  • Nunavut
*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

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