Lorex D841A82B 4K Security DVR with Person Detection & 2TB Storage
Elevate your home security with the Lorex D841A82B 4K DVR—featuring AI person detection, 2TB storage, and Alexa voice control for sharp, alert-smart protection without subscriptions.
Original price was: $299.00.$225.00Current price is: $225.00.
Condition: New
MPN: D841A82B
UPC Code: 695529021133
Are you searching for a reliable home security solution that captures every detail without false alarms? The Lorex D841A82B 4K Security DVR delivers crystal-clear protection for your property, combining advanced person detection technology with seamless smart home integration. This 8-channel system, complete with 2TB pre-installed storage, ensures you never miss a moment—day or night. Plus, it works effortlessly with voice assistants like Alexa, making monitoring as simple as saying “Alexa, show me the front door.”
Why Choose the Lorex D841A82B for Your Home Security?
In today’s fast-paced world, where unexpected visitors or packages arrive anytime, a smart DVR like this one stands out. It reduces unnecessary alerts by focusing only on people or vehicles, so you stay informed without constant notifications. Moreover, its 4K resolution provides sharp, detailed footage that’s perfect for identifying faces or license plates from afar. Whether you’re upgrading an existing setup or starting fresh, this DVR connects easily to compatible analog HD cameras, offering flexibility for growing needs.
Key Features and Benefits
- Advanced Motion Detection: Powered by Smart Motion Detection Technology, it distinguishes between people, vehicles, and irrelevant movements—like swaying trees—cutting down on false alarms by up to 90%. This means more peace of mind and less time checking empty clips.
- Ultra HD 4K Recording: Record in stunning 4K resolution across 8 channels, with support for up to 10TB of expandable storage. Capture every angle of your home or business with exceptional clarity, even in low light.
- Smart Home Compatibility: Integrate with Amazon Alexa for hands-free control. Simply ask your voice assistant to view live feeds or arm the system, turning your routine into a connected, effortless experience.
- Remote Access via Lorex Home App: View footage from anywhere using your smartphone or tablet. Set custom alerts, playback recordings, and manage deterrence features on the go—ideal for busy families or remote workers.
- Built-in 2TB HDD: Comes pre-loaded with ample storage for continuous recording, so you can store weeks of video without extra hassle.
Technical Specifications
For those who appreciate the details, here’s a quick overview of what powers this system:
| Specification | Details |
|---|---|
| Channels | 8 (expandable) |
| Resolution | 4K Ultra HD (3840×2160) |
| Storage | 2TB pre-installed HDD (up to 10TB max) |
| Detection | Person/Vehicle Smart Motion Detection |
| Connectivity | HDMI, VGA, Ethernet; Compatible with analog HD cameras |
| Power | 12V DC |
| Dimensions | 13.4 x 10.9 x 2.1 inches |
| Weight | 4.2 lbs |
| MPN | D841A82B |
| UPC | 695529021133 |
This setup solves common pain points, like blurry nighttime footage or overwhelming alerts, by prioritizing accuracy and ease. Backed by Lorex’s reputation for durable, user-friendly tech, it’s a trusted choice for homeowners seeking robust protection without complexity.
Pros and Cons
Pros:
- Superior 4K clarity reduces guesswork in identifying threats.
- Free smart detection—no subscription fees for core features.
- Easy voice control enhances accessibility for all users.
Cons:
- Requires compatible cameras (not included) for full setup.
- App setup may need initial troubleshooting for non-tech-savvy users.
Frequently Asked Questions
What makes the Lorex D841A82B’s person detection so effective?
It uses AI-driven algorithms to filter out non-human motion, sending targeted alerts only for relevant activity, which saves time and battery on connected devices.
Is this DVR compatible with existing Lorex cameras?
Yes, it pairs seamlessly with most analog HD Lorex cameras, allowing upgrades without starting over.
How long does the 2TB storage last?
With 4K recording on 8 channels, expect 7-14 days of continuous footage, depending on motion events—expandable for longer retention.
Specification: Lorex D841A82B 4K Security DVR with Person Detection & 2TB Storage
| Weight | 5 lbs |
|---|---|
| Dimensions | 16 × 14 × 13 in |
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Original price was: $299.00.$225.00Current price is: $225.00.





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