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Overview

Professional-grade surveillance with stunning 4k clarity with a wide 109° view, minimizing blind spots & maximizing coverage. Built from premium aluminium, IP66 weatherproof. Store more footage without sacrificing quality thanks to AI-enhanced H.265+ encoding. Experience vibrant, full-color night vision & sharp audio recording. View with free app, or via our intuitive, secure web portal. ONLY compatible with Defender Empower app. Can not be used with other Defender apps.

Defender AI POWERED Sentinel Pro Turret 4K Wired 8CH NVR PoE Security System, 4 Metal Cameras & 1TB HDD

Model: TNS8B4A-1T
Web Code: 19357018
Sold and shipped by | 3.6 seller rating (59 reviews)

Number of Cameras Included: 4

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

Read return policy

Warranty

Check with the manufacturer for details.

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

What's included:

  • 4x SMART AI 4K PoE IP Turret 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
  • 1x Quick Start Guide
  • 1x Window Warning Sticker
  • 1x Warranty Registration Insert
  • 1 Year Warranty
  • Lifetime Support

HASSLE-FREE INSTALLATION: ONLY compatible with Defender Empower app. Can not be used with other Defender apps. Power over Ethernet technology provides power, audio, and video with a single network cable. Seamlessly integrate Sentinel with third-party surveillance systems via ONVIF.

OVER 8 MILLION PIXELS: Brilliant Clearvu™ 4K Ultra HD captures with 4x the quality of standard 1080P, recording at up to 25 FPS with incredible 109° wide-angle viewing for full coverage of your property.

VERSATILE METAL TURRET CAMERAS: Discrete IP66 weather-rated turret cameras can be placed nearly anywhere due to their compact, durable design.

COLOR NIGHT VISION/AUDIO RECORDING: Up to 100ft of vibrant color night vision with lowlight image enhancements. Built-in high sensitivity microphone captures audio with minimal delay.

AI POWERED DETECTION: Real-time intelligent monitoring that alerts you of human movement immediately upon detection, activating instant blue-red flashing lights & LED spotlight deterrence.

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