Skip to main contentSkip to footer

Explore more like this

Slide 1 of 8

Overview

The Defender Sentinel Pro is a wired PoE security camera system that pairs an 8-channel 4K NVR with four 8MP metal turret cameras and a 1TB hard drive. Cameras record 4K video over Power over Ethernet (PoE) with colour night vision and AI human detection.
  • Four 8MP metal turret cameras and an 8-channel 4K NVR
  • IP66 weatherproof cameras with colour night vision and a 1TB hard drive
This description was generated by AI and reviewed for accuracy.

Defender Sentinel Pro Wired 4K 8-Channel NVR Security System with 4 Turret Cameras and 1TB Hard Drive

Model: TNS8B4A-1T
Web Code: 19357018
Sold and shipped by | 3.6 seller rating (60 reviews)

Sale ends: *

Number of Cameras Included: 4

4 $559.99
6 $944.99
8 $1,124.99

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
What you need to know
  • Wired PoE security camera system with four 8MP metal turret cameras, an 8-channel 4K NVR, and a 1TB hard drive
  • Records 4K video across a 109° wide-angle view with colour night vision up to 100 ft
  • IP66 weatherproof aluminium cameras; records over Power over Ethernet (PoE)
  • Works only with the Defender Empower app and cannot be used with other Defender apps
In the box
  • Four 8MP metal turret cameras, an 8-channel 4K NVR, and a 1TB hard drive
Keep an eye on what matters
  • AI human detection triggers blue-red flashing lights and an LED spotlight to help deter activity
  • Built-in microphone records audio with minimal delay
Know what's happening when you're away
  • Records 4K video across a 109° wide-angle view at up to 25fps
  • Colour night vision reaches up to 100 ft with low-light enhancement
How it fits your property
  • IP66 weatherproof aluminium turret cameras suit exposed outdoor locations
Works with your setup
  • Records over Power over Ethernet (PoE), carrying power, audio, and video on one cable
  • Integrates with third-party systems via ONVIF; viewed through the Empower app or a web portal
  • Requires the Defender Empower app; it cannot be used with other Defender apps
Setup requirements
  • 8-channel NVR supports adding cameras up to its channel count
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

Learn more about returning a Marketplace product