Will this work with my Defender cameras? My defender dvr went bad

It should work with any BNC-connected cameras.

How much tb hdd can install in db41 unit

Not sure but I know it’s 2 tb not familiar with adding more memory.

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Lorex D841A82B Series 8 Channel 4K HD 2TB Analog HD Security System DVR with Advanced Motion Detection Technology and Smart Home Voice Control, Black

Lorex D841A82B Series 8 Channel 4K HD 2TB Analog HD Security System DVR with Advanced Motion Detection Technology and Smart Home Voice Control, Black

Product ID: 177392106

Details

Brand
Lorex
Compatible Devices
Camera Tablet
Connectivity Technology
Ethernet HDMI
Hard Disk Size
2 TB
Memory Storage Capacity
2 TB

💾2TB preinstalled HDD, expandable to 10TB

📹4K Ultra HD 8MP clarity

🗣️Smart home voice control compatible

Description

🔒 Elevate your home security to 4K clarity with smart voice control — because peace of mind should be effortless.

ADVANCED MOTION DETECTION - Cut false alarms with person/vehicle detection and get instant push notifications for real threats.
CRYSTAL CLEAR 4 K ULTRA HD - Experience ultra-detailed security footage with 8MP resolution on all 8 channels.
SEAMLESS SMART HOME INTEGRATION - Control and view your security system hands-free via Alexa, Google Assistant, Apple TV, and Chromecast.
USER FRIENDLY MOBILE APP QUICK SETUP - Monitor remotely with Lorex Home app and enjoy hassle-free installation in under 30 minutes.
MASSIVE 2 TB STORAGE EXPANDABLE TO 10 TB - Store weeks of continuous 24/7 monitoring without monthly fees or cloud dependency.

The Lorex D841A82B is a cutting-edge 8-channel DVR security system featuring 4K Ultra HD recording on all cameras, a preinstalled 2TB HDD expandable up to 10TB, and advanced person/vehicle motion detection technology. It offers seamless smart home compatibility with Alexa, Google Assistant, Apple TV, and Chromecast for hands-free control and live viewing. Designed for easy installation and remote monitoring via the Lorex Home app, this system delivers professional-grade security with no monthly fees, making it ideal for tech-savvy homeowners seeking reliable, high-resolution surveillance.

Specifications

ASIN	B07ZS16PB3
Best Sellers Rank	#306 in Surveillance DVR Kits
Brand	Lorex
Compatible Devices	Camera, Smartphone, Tablet, Television
Connectivity Technology	Ethernet, HDMI
Customer Reviews	4.2 out of 5 stars 283 Reviews
Global Trade Identification Number	00695529021133
Hard Disk Size	2 TB
Hard-Drive Size	2 TB
Item Weight	6.4 Pounds
Manufacturer	Lorex
Media Format Digital Video	HDD
Memory Storage Capacity	2 TB
Mfr Part Number	D841A82B
Model Number	D841A82B-W
Number of Channels	8
Smart Home Compatibility	Smart Home Compatible
Total Usb Ports	2
UPC	695529021133
Video Input	HDMI

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