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4K Ultra HD Analog Security DVR with Advanced Motion Detection Technology and Smart Home Voice Control

D841B Series
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Safe & Secure

Apps are protected with end-to-end data encryption.

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Risk Free

Return for any reason within 30 days of delivery.

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Flex Payments

Spread out payments with easy financing options.

No Monthly Fees

Local recording protects privacy and saves money.

Features

D841 4K DVR

Whether you're upgrading an existing video recorder or thinking of purchasing a whole new Analog HD system, this latest 4K Ultra HD digital video recorder by Lorex meets all the demanding needs of modern-day security. Features such as 4K recording resolution produce visually accurate video footage with exceptional detail. Along with 4K recording, advanced person/vehicle detection and smart home compatibility, this DVR combines active security with the convenience of hands-free voice control.

D841A81B

SPECIFICATIONS

8

CHANNELS

DVR supports 8 cameras

4K

RESOLUTION

Ultra HD resolution

1TB

HARD DRIVE

Maximum Capacity 1 × 8TB hard drive

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Lorex™ App

D841A82B

SPECIFICATIONS

8

CHANNELS

DVR supports 8 cameras

4K

RESOLUTION

Ultra HD resolution

2TB

HARD DRIVE

Maximum Capacity 1 × 8TB hard drive

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Lorex™ App

D841A62B

SPECIFICATIONS

16

CHANNELS

DVR supports 16 cameras

4K

RESOLUTION

Ultra HD resolution

2TB

HARD DRIVE

Maximum Capacity 1 × 8TB hard drive

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Lorex™ App

D841A63B

SPECIFICATIONS

16

CHANNELS

DVR supports 16 cameras

4K

RESOLUTION

Ultra HD resolution

3TB

HARD DRIVE

Maximum Capacity 1 × 8TB hard drive

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Lorex™ App

person and vehicle motion detection

Advanced motion detection

Be alerted when motion is detected on your property with advanced motion detection capabilities. This system features person/vehicle detection on 4 channels to reduce unnecessary alerts and false alarms. Important motion events that are recorded can easily be found using the Smart Search feature, which organizes events by type (e.g. person/vehicle motion vs. general motion, etc.).

 
security system with motion detection
 
Security camera system panic button

Panic button

This DVR brings your security camera system to the next level with an easy-to-use panic button located on the front of the recorder. By pressing and holding this button you can activate all lights and sirens on your compatible Active Deterrence cameras at one time to deter potential intruders.

Lorex remote viewing

Remote viewing from your mobile with Lorex™

This feature-rich system is designed for use with our innovative, hassle-free Lorex™ app. Using Lorex, you can quickly and easily view your security system remotely from your smartphone or tablet and control active deterrence features. Simply download the free app, scan the QR code on the DVR and your cameras will appear for you to monitor (or review footage). You can also program the app to send you motion-activated push notifications and email alerts with screenshot attachments straight to your phone to keep you connected to your property at all times.

Works With

 
works with Apple iPhone
Apple iPhone
works with Apple iPad
Apple iPad
works with Android phones
Android Phone
works with android tablets
Android Tablet
works with AppleTV
Apple TV
 
 
iphone icon
Apple iPhone
ipad icon
Apple iPad
android phone icon
Android Phone
 
android tablet icon
Android Tablet
appleTV
Apple TV
 
 
smart home security camera system google home
 

Smart home compatibility

Get faster access to your security system with hands-free voice control. This security camera system is compatible with Amazon Alexa™, Google Assistant™, as well as Apple TV* and Chromecast™. By using simple voice commands, you can activate camera features and access live or recorded footage directly on your smart TV, and more. For more information about current smart home integrations, visit our Smart Home Guide.

* Requires Gen 4 or newer Apple TV with support for APP Store


 
apple TV lorex
 

View Your System through Apple TV

Watch your Lorex system in new ways. Don't have an option of hooking up your Lorex recorder directly to your TV? No problem. Simply make sure your Lorex recorder is on the same network as your Apple TV* (Gen 4 or newer) and watch your Lorex recorder on your TV through the Lorex Apple TV App.


 
4K vs 1080p pixels

See the world in 4K

4K is the highest quality available for home security systems and this powerful DVR can record 4K (8MP) resolution video on all channels. The higher pixel count, when compared to 1080p, results in superior detail and definition with realistic color representation, so that objects in video are clearly outlined and easily identifiable, no matter how big or small.

Lorex Area Search

Smart Search

Find what you are looking for quickly with Lorex's Smart Search. Select an area of interest and automatically playback any video footage showing scene changes in that area. Ideal for doorways, drive ways, etc.

HEVC logo icon
 

HEVC / H.265 video compression

This DVR is able to receive HEVC (High Efficiency Video Encoding) or H.265 video compression files. This type of encoding can save up to 40% more space when compared to H.264 Advanced Video Coding. Please note that security cameras with HEVC video compression are required to take advantage of this feature.

 
HEVC encoding
24/7 heavy-duty professional HDD for security systems

Reliable security grade hard drive with no hidden storage fees

DVRs such as this are capable of working 24/7 without a break. Thankfully, so is the hard drive within it. Lorex uses security certified hard drives that are manufactured specifically to meet the high workload demands of continuous security monitoring. This means that you can rely on this professional grade hard drive to safely store weeks (or even months) of security footage. It is also possible to manually upgrade the hard drive within the DVR to a hard drive up to 8TB in size. There are no surprise fees or monthly cloud subscription necessary because all recorded footage is safely stored on the built-in, 1TB or 2TB hard drive. Local storage also means that all your recordings are secure since only you can access your footage.

DVR with auto-recovery

Automatic overwrite

You don't have to worry about storage management with this DVR. It is designed to automatically overwrite the oldest data with the newest data when the hard drive becomes full. This means that you will never run out of storage space. Just make sure to save any important footage before it gets overwritten.

security DVR no internet required

With or without the internet

This DVR can be used without being connected to the internet. This means that your data can only be accessed directly from your DVR. However, an internet connection is required to enable remote viewing, motion push notifications, and to download the latest firmware updates.

 

Image resolution comparison

4K 8mp Comparison Chart
  4K HDIP 2K HDIP HD 4K MPX Super HD 4mp DVR HD 1080 Analog BNC
Recording 8mp (3840

What's Included?

D841B Series

4K Ultra High Definition Digital Video Surveillance Recorder
D241 demensions
  • Capable of recording up to 4K (8MP) Ultra HD Resolution on all cameras1
  • Digitally zoom in on distant objects for better clarity
  • Expand your security system with both 8 and 16 channel recorder options
  • Quickly access footage and features with simple voice commands (Compatible with: Amazon Alexa and Google Assistant)7
  • View live or recorded video directly on your TV with smart home compatibility (Compatible with: Chromecast)
  • Reduce unnecessary alerts and false alarms with advanced motion detection8
  • Get push notifications when motion from a person/vehicle is detected6 (Available on up to 4 channels)
  • Use Smart Search to filter motion events for reviewing footage quickly and easily
  • A panic button is located on the recorder to activate all lights and sirens on your cameras4
  • Local built-in security-grade hard drive ensures only you can access your footage
  • Ample storage space with no monthly cloud fees
  • Heavy-duty hard drive designed to handle the workload of 24/7 monitoring

Each D841B Includes:

1 × DVR
1 × HDMI Cable
1 × Power adapter
1 × USB Mouse
1 × Ethernet Cable
Quick Start Guides

1. 4K (8MP) Analog HD cameras are required to take advantage of 4K recording.
2. Requires a high-speed internet connection and a router (not included) for remote access. A minimum upload speed of 5Mbps is required for the best video performance. Up to 3 devices may connect tothe system at the same time. For the latest list of supported apps and devices, please visit: www.lorex.com/support
4. Compatible with select Lorex Analog HD cameras only. For a list of compatible cameras, please visit www.lorex.com/compatibility
5. Both firmware and software must be updated to latest version to ensure remote connectivity.
6. Person/Vehicle Advanced Motion Detection can be enabled only on channels 1-4. General motion detection will still be available on all remaining channels. Accuracy of Person/Vehicle Advanced MotionDetection will be influenced by multiple factors, such as the object

Reviews and Q&A

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