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Overview

The Defender AI Powered Sentinel 4K PTZ leaves blind spots in the past with a full 360° coverage, intelligent AI Auto-tracking and SMART Human Detection. Deter criminal behavior with blue-red lights, a siren, and a LED spotlight. Also equipped with Vibrant Color Night Vision, Two-Way Talk, & access to the free Empower app. Proudly Canadian Since 1999. ONLY compatible with Defender Empower app. Can not be used with other Defender apps.

Defender AI POWERED Sentinel 4K Wired NVR Security System with 4 PTZ Cameras

Model: NS8B4PTZ-1T
Web Code: 18523005
Sold and shipped by | 3.6 seller rating (56 reviews)

Sale ends: *

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

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

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.

Product Condition
Brand New
Security Camera Type
Security Camera Packages
Number of Cameras Included
4
Camera Connection
Wired
Hard Drive Recording Type
Network Video Recorder (NVR)
Usage
Indoor & Outdoor
Device Compatibility
iOs; Android; Local Web Viewing
App Enabled
Yes
Connectivity
Ethernet Cable, Power over Ethernet (PoE / IEEE 802.3af)
Interface
Power over Ethernet (PoE / IEEE 802.3af)
Wi-Fi
No
Bluetooth
No
Included Software
NVR; Mobile Empower Application for iOS & Android
Remote Access
Yes
Mobile Remote Monitoring
Yes
Built-In Siren
Yes
Power Input
DC48V/2A
Colour
White
Operating Temperature
-20°C - 60°C
Language Support
English; French

Receiver/DVR Features

Max No. of Supported Cameras
4
Storage Type
Hard Disk Drive
Included Storage
1 TB
Local Recording
Yes
Recording Methods
Continuous Recording; Scheduled Recording; Triggered (Motion) Recording
Memory/Disc Full Warning
Yes
Alert Method
Yes - Push Notification Via Mobile Device

Camera Features

Sensor Type
CMOS
Lens Type
Fixed Lens (FL = 4.1mm Fixed; F = 2.0)
Horizontal View Angle
85 °
Vertical View Angle
44 °
Night Vision
Yes
Motion Detection
Yes
Pan-Tilt
Yes
Rotation Range
360° Pan & 80° Tilt
Two Way Communication
Yes

Video Features

Real-Time Video
Yes
Video Compression
H.265/H.264
Max Camera Resolution
4K Ultra HD
Video Resolution
4K (3840 x 2160 p)
Frame Rate
20 fps
Video Colour
Colour
Video Input/Output
HDMI Out, VGA Out

Audio Features

Record Audio
Yes

Dimension

Width
21.92 cm
Height
4.14 cm
Depth
25.25 cm
Width (Inches)
8.63 in
Height (Inches)
1.63 in
Depth (Inches)
9.94 in
Weight
2.27 kg

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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