RLC-840A
Overview
Specs
Accessories
Review
Comparison
FAQs
RLC-840A

4K IK10 Vandal-Proof PoE Camera with Color Night Vision

1 Camera

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Feature Highlights

4K Ultra HD

3840 × 2160 (8 Megapixels) @25 fps

125° Wide Angle

Wide FOV captures more details in frame, fewer blind spots.

Color Night Vision

See clearly what's happening in colors even in the darkness, with 3000K warm light.

Certified Tough Protection

IK10 vandal-proof housing and IP67 weatherproof rating.

Two-Way Audio

Hear & talk to the person on the other side in real time.

Smart Detection

Supports smart motion detection and person/vehicle/animal detection.

Specs

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Image Sensor
1/2.49" CMOS sensor
Resolution
3840 x 2160 (8 Megapixels) @25fps
Lens
f=2.8mm/F2.0
Video Compression
H.265（more than 5MP）other H.264
Zoom
N/A
Field of View
Horizontal: 105° Vertical: 56° Diagonal: 125°
Infrared Night Vision
Up tp 30 meters(100ft); LED: 2pcs/2W/850nm (Auto-switching with IR-cut filter)
Color Night Vision
With spotlights: 2pcs/3w/3000K (Adjustable)
Frame Rate
Main stream: 2fps - 25fps (default: 25fps) Sub stream: 4fps - 15fps (default: 10fps)
Code Rate
Main stream: 1024Kbps - 8192Kbps (default: 6144Kbps) Sub stream: 64Kbps - 512Kbps (default: 256Kbps)
Audio
Two-way audio
PoE
IEEE 802.3af, 48V, active
DC Power
DC 12.0V⎓1A, <12W
Power Port
DC power port
Ethernet Port
One 10M/100Mbps; RJ45
SD Card Slot
Supports Max. 512GB microSD card
Reset Button
YES
Audio In/Out
Built-in microphone and speaker
Browsers Supported
Edge, Chrome, Firefox, Safari
OS Supported
PC: Windows, Mac OS; Smartphone: iOS, Android
Protocols & Standards
HTTPS, SSL, TCP/IP, UDP,HTTP,IPv4, UPnP, RTSP, RTMP, ONVIF, SMTP, NTP, DHCP, DNS, DDNS, FTP, P2P
User Access
Max. 20 users (1 admin & 19 user); Max. 12 simultaneous streams (2 main & 10 sub streams)
Smart Alarm
Motion detection; person detection; vehicle detection; animal detection
Recording Modes
Motion-triggered recording (default); Scheduled recording, 24/7 recording
Time Lapse
YES
Smart Home Compatibility
Google Assistant
Operating Temperature
-10°C~+55°C (14°F~131°F)
Operating Humidity
10% ~ 90%
Weatherproof
IP67
Dimensions
Φ117x 86mm
Weight Battery Included
604g
Limited Warranty
2-year limited warranty. For support, visit https://support.reolink.com/hc/en-us/.

Gallery

RLC-840A-gallery-0
1microSD Card Cover
2Built-in Mic
3Spotlight
4Lens
5IR LEDs
6Daylight Sensor

RLC-840A-gallery-1
1microSD Card Slot
2Reset Button

RLC-840A-gallery-2
1Power Port
2Ethernet Port
3Waterproof Lid

RLC-840A-gallery-3

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

  • RLC-840A ×1
  • 1m Network Cable ×1

FAQs

How-to Videos

How to Find Your IP Camera Address & Set up Remote Viewing

How to Set up 24/7 Continuous Recording

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

Learn More
Payment & Shipping
Where can you ship? How long will it take to receive my items?
We sell 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.
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 the Shipping Fees part of Shipping & Delivery Policy.
Functions
Is a subscription fee required for Reolink PoE cameras?
No, Reolink PoE cameras work well on their own without subscription fees. You can make full use of the person/vehicle/pet detection, local storage, and other functions for free!
Does my camera support person/vehicle/animal detection?
Yes, this camera supports person/vehicle/animal detection.
Does the camera support two-way audio?
Yes, the camera supports two-way audio via its built-in mic and speaker. You can not only capture videos with audio recorded but also have real-time communication with people on the camera's end through Reolink App or Client.
Can I turn off the spotlights?
Yes, you can turn off the spotlights manually.
By default, the camera's spotlights are motion activated: it will turn on automatically when a motion is detected. You can turn them off or adjust the brightness to your liking. 
Please note that with the spotlights on you can enjoy clear color night vision, but if the spotlights are turned off, you will only see black and white images at night.
How can I power up the camera?
There are two methods:
1. Via an Ethernet cable, connect the camera to a PoE NVR, PoE injector, PoE switch, or directly to a router with a PoE port, for both power supply and video signal transmission.
Note: Please make sure that the PoE injector/switch is 802.3 af compliant (48V) and supports active mode. 
2.Via a DC 12V 1A power adapter (purchased separately), connect the camera to power outlet for power supply only.
What Ethernet Cable Do I Need?
The camera supports T-568B connectors and  8-PIN Ethernet cables of CAT5 or higher.
Can this camera be used outdoors/indoors?
This camera can be used both indoors and outdoors.
It is IP67 certified weatherproof and its operating temperature is from -10°C to 55°C (14°F to 131°F), perfect for outdoor and indoor usage.
How do I use live view and playback?
You can add and set up the camera on Reolink APP/Client. Then click the camera to check the live view and playback of it from anywhere, at any time.
Reolink APP/Client is free of charge and the service is free of subscription.
Can this camera support time-lapse function?
Yes, the camera can support time-lapse. It can save time-lapse photos and videos to the SD card.
How to Set Up Time Lapse?
What kind of microSD card can I use?
This camera supports up to 256GB microSD cards with FAT32 format and Class 10 read & write speed.
Where are the recordings stored? Is NVR a must?
The camera can work without an NVR. 
1. When it works without an NVR, the recordings can be saved to the microSD card (purchased separately);
2. When it works with an NVR, the recordings can be saved to the NVR.
Note: For best compatibility, do not use the camera with third-party NVRs.
Does the camera work with my Reolink PoE NVR?
If you want to buy a new one: the currently on-sale NVRs work with all PoE and plug-in WiFi cameras.
If you already have one:
Please first refer to this article for its hardware version.
For the NVR with the hardware N7MB01, N6MB01, or N5MB01, it works with all PoE and plug-in WiFi cameras.
For the NVR with the hardware N2MB02, N3MB01, or H3MB18, it works with all PoE and plug-in WiFi cameras. But you can not have a full-resolution live view of the following cameras: RLC-1212A, RLC-1224A, Reolink Duo 2 PoE, Reolink Duo 2 WiFi, Reolink Duo Floodlight WiFi, Reolink Duo Floodlight PoE.
For the NVR with the rest hardwares such as H3MB17, H3MB02, and H3MB16, please refer to Introduction to Hardware Versions of Reolink NVRs for more detailed information.
Can I use this camera with Synology?
Yes, this PoE IP camera can work with Synology. There are 2 methods for you to save videos in it.
Method 1 (recommended): You can add this camera to the Synology Surveillance Station. Check this article to learn how to add a camera. 
Method 2: You can treat your Synology device as an FTP server. For detailed steps, check How to Set up FTP for Reolink Products.
Why can't I connect it to 3rd party softwares?
The RTSP and other ports may be disabled by default. You can launch Reolink Client, then go to Device Settings >> Network >> Advanced >> Port Settings to make sure all ports are enabled before using 3rd party softwares.
Can this camera support smart home like Google Assistant?
Yes, currently, this camera can work with Google Assistant.
Tips: How to add this camera to Google Assistant?
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  • 2-Year Limited Warranty.
    2-Year Limited Warranty.
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    24/6 Online Support 1-on-1