RLK8-820D4-A
Overview
Specs
Accessories
Review
Comparison
FAQs

Infrared Night Vision Up to 100ft

RLK8-820D4-A

4K PoE Security System with Person/Vehicle Detection; 2TB 8-Ch NVR for 24/7 Recording

  • Person/Vehicle Detection
  • 4K 8MP Ultra HD
  • 2TB HDD 8-Channel NVR

Feature Highlights

Ultra-High Definition

Delivers a clear, smooth 8MP view at 25 FPS.

Smart Detection

Accurate person/animal/vehicle detection captures what matters.

Up to 16TB Storage

Comes with a 2TB HDD, expandable to 16TB (8TB via SATA and 8TB via eSATA).

Infrared Night Vision

Supports black and white night vision up to 100ft.

24/7 Recording

Offers continuous protection without interruption.

Time Lapse

Captures the essence of life, records hours of change in minutes.

Specs

RLN8-410
D800
RLC-820A
Download PDF
Hardware
N7MB01
IP Video Input
PoE IP camera x 8
Audio Input
Cameras with built-in mic
Audio Output
1-channel, RCA
Video Output
VGA, HDMI
Video Format
H.264, H.265
Live View/Playback Resolution
4096*3072/3840*2160/2560*1920/2560*1440/2048*1536/2304*1296/1080p/720p
Synchronous Playback
Up to 4 channels
SATA
1 x SATA interface (1 x 2TB HDD included)
External HDD
1 eSATA interface for HDD
Capacity
Up to 12TB (max. 6TB capacity for each HDD)
USB Interface
2 x USB 2.0
Network Interface
• 1, RJ-45 10/100 Mbps self-adaptive Ethernet interface for LAN/WAN • 8, RJ-45 10/100 Mbps self-adaptive PoE Ethernet interface for IP camera
Max. Power Per Port
25W
Supported Standard
IEEE 802.3af/at
Network Protocols
HTTP, TCP/IP, UDP, DHCP, P2P, UPNP, RTSP, SMTP, SSL/TLS, DNS, DDNS, NTP, FTP
Browsers Supported
Edge, Firefox, Chrome, Safari
OS Supported
PC: Windows, Mac OS; smartphone: iOS, Android
Max. User Access
20 users (1 admin account & 19 user accounts); up to 12 simultaneous video streams (10 substreams & 2 mainstreams)
Power Supply
DC 48V~53V
Power Consumption
<10W (without HDD & PoE)
Working Environment
Temperature: -10°C~+45°C (14°F~113°F); humidity: 10%~90%
Dimensions
260 x 41 x 230mm
Weight
1.4kg
Limited Warranty
2-year limited warranty. For support, visit https://support.reolink.com/hc/en-us/.
Display Resolution
• HDMI: 3840x2160, 1920x1080, 1280x1024, 1280x720, 1024x768 • VGA: 1920x1080, 1280x1024, 1280x720, 1024x768

Gallery

RLK8-820D4-A-gallery-0
1Mount
2Metal Aluminum Case
3High Definition Lens (f=4.0mm)
418 IR LEDs
5Daylight Sensor
6Built-In Mic

RLK8-820D4-A-gallery-1

Only Manual Rotation

RLK8-820D4-A-gallery-2
1Power
2Reset Button
3Network
4Waterproof Lid

RLK8-820D4-A-gallery-3
1USB Port
2Power LED/HDD LED
3Control Panel

RLK8-820D4-A-gallery-4
1On/Off Switch
2eSATA
3RJ45
4Power Input
5Audio Out
6USB Port
7HDMI Port
8VGA Port
9Network

RLK8-820D4-A-gallery-5
1Mount
2Metal Aluminum
3High Definition Lens (f=4.0 mm)
418 IR LEDs
5Daylight Sensor
6Built-in Siren

What’s in the Box & Setup Guide (with Video)

  • RLN8-410 ×1
  • RLC-820A ×4
  • NVR Power Adapter ×1
  • HDMI Cable ×1
  • USB Mouse ×1
  • 1m Network Cable ×1
  • 18m Network Cable (except for the bundles without 18m cables) ×4

FAQs

How-to Videos

How to Set up the Reolink PoE Camera System (3 Mins)

How to Reset Your Reolink NVR in 5 Quick Ways

How to Set up Motion Detection via the Reolink App, Client, or NVR

Learn More
Payment & Shipping
What are your payment options? And what currencies do you support?
You can use PayPal (available in 202 countries and 25 currencies) to purchase Reolink security products, or use credit or debit cards (Visa, MasterCard, American Express, Discover) directly without logging into your PayPal account. See details of Payment Policy.
How much are the customs duties?
Customs duties depend on where your items are shipped from and shipped to. See details in Shipping Fees part of Shipping & Delivery Policy.
Where can you ship? How long will it take to receive my items?
Reolink sells security cameras to the United States, Germany, the United Kingdom and other dozens of countries.
And we handle orders within 24 hours and pass the packages to our forwarders within 48 working hours. The delivery time varies due to where your items are shipped from and shipped to. See details of Shipping & Delivery Policy.
Functions
Does the NVR support the person/vehicle detection of my Reolink cameras?
Yes, the NVR in RLK8-820D4-A supports the cameras' smart person/vehicle detection.
How can I pre-view or play back the video?
Method 1: Connect the NVR to a monitor or TV for preview or playback;
Method 2: Download FREE Reolink APP or Client, add the NVR to the APP or Client, configure the settings, and then you can preview or play back the videos.
Can I connect Reolink NVR to one or more displayers?
You can connect maximum two displayers with the NVR via HDMI or VGA (See the diagram below).
Connect Reolink NVR to Displayers
Cameras connected to the NVR will be shown on the displayer(s).
What is the difference if I buy cameras and NVR separately instead of buying a whole system?
The cameras in the kit cannot work alone. They have to work with the Reolink PoE NVR. If you buy standalone cameras and the NVR separately, the cameras can work alone.
Also, the network cables for cameras in the kit are 18m long while those for standalone cameras are 1m long.
What ethernet cable can I use? What is the maximum distance between the camera and NVR?
We have included 4 18M ethernet cables for the 4 cameras included in the kit. You can change them to longer ones if needed.
Reolink PoE cameras support CAT5, CAT5E, CAT6, CAT7 with 8 PIN Ethernet cables. The maximum length of the network cable they support is 330ft (100m). Please note that the data is obtained with a standard CAT5E Ethernet cable under specific test conditions and actual use may vary.
How long does the security camera systems store video footage?
The length of time to store video footage is closely related to the video code rate.
As for RLK8-820D4-A, the default bit rate of its cameras is 6144 kbps. Proximately, with the 4 cameras all working, this security system can store video footage for 8 days to its pre-installed 2TB HDD.
You can refer to "How Long Can Reolink NVR Record?"for more details.
If you want to keep longer video storage, you can expand the NVR's storage capacity.
Does my security system work with Google Assistant?
Sorry, the NVR system cannot work with Google Assistant.
  • 30-Day Money Back Guarantee
    30-Day Money Back Guarantee
  • Free Shipping on All Orders
    Free Shipping on All Orders
  • 2-Year Limited Warranty.
    2-Year Limited Warranty.
  • 24/6 Online Support 1-on-1
    24/6 Online Support 1-on-1