Reolink Duo 2 Assessment – A big enchancment thanks to 1 stitched picture

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Reolink Duo 2 Assessment Ranking


The Reolink Duo 2 is the digicam that folks anticipated when the unique Reolink Duo was launched. Two cameras work in unison to offer a high-quality, practically 180° discipline of view. It additionally has the good thing about a single video supply, which may very well be essential for some NVRs and software program licenses like Surveillance Station.


  • On-device picture stitching to create 4608 x 1728 decision photographs with a 170° discipline of view
  • Feeding one channel avoids the necessity for extra digicam licenses (or the lack of an pointless NVR channel)


  • Dearer than the unique

Nearly a yr in the past, Reolink launched its peculiar Reolink Duo digicam. I used to be very impressed, it helped simplify vast space surveillance with out the trouble of establishing two cameras, and I at all times prefer it when firms are prepared to attempt one thing just a little completely different.

One may argue that it didn’t dwell as much as expectations. It labored as two unbiased cameras; the one picture stitching that was accomplished was inside the app. I did not have an excessive amount of bother with that, however there was clearly some room for enchancment.

Reolink has now fastened most of those points with Reolink Duo 2.

Reolink Duo 2 vs Duo What has modified?

Reolink Duo POE vs. Reolink Duo 2 WiFi

The spec desk under exhibits a full spec comparability. The principle issues which have modified embody:

  • Reolink Duo 2 now exhibits one stream for each cameras with the pictures stitched collectively robotically. That is for every part within the app, internet browser, RTSP streams, and all recordings.
  • Reolink has improved the place of the cameras (or stitching). Beforehand there was a really clear break within the picture if you displayed them aspect by aspect. Now it’s nearly good.
  • You possibly can regulate the sew settings to enhance efficiency primarily based on how you will have arrange your digicam.
  • Whereas it’s marketed as a 4K digicam, I am unsure, however I feel it’s because the output decision will be labeled as 4K (4608X1728). They don’t seem to be two separate 4K cameras, whereas the unique Duo offered two separate 2560X1440 2K feeds.
  • The sector of view has been elevated to 170° vs. 150° and vertical to 60° vs. 44°.
  • The video format is H.265, which I feel they’ve accomplished due to the upper decision supply.
  • It elevated the default frames per second, however technically decrease than the utmost the unique Duo was able to.
Reolink Duo POE vs. Reolink Duo 2 WiFi

Reolink Duo 2 vs. Duo specification

Reolink Duo 2 reolink duo
Sensor 1/2.7″ CMOS sensors 1/3″ CMOS sensors
Decision Default worth: 4608X1728 (8.0 megapixels)
at 20 frames/sec
Default worth: 2560X1440 (4.0 megapixels)
at 15 frames/sec (2x)
Discipline of view horizontal: 170°
vertical: 60°
Diagonal: 180°
horizontal: 150°
vertical: 44°
Lens f = 3.2mm fastened, F = 2.0 f= 4.0mm fastened, F= 2.0
evening imaginative and prescient 30 meters (LED: 6 items/20mil/850nm) 30 meters (LED: 6 items/20mil/850nm)
coloration evening imaginative and prescient Highlight: 8PCS/5W/6500K/560 Lumens Highlight: 8PCS/5W/6500K/560 Lumens
Audio two-way audio
Built-in microphone and speaker
two-way audio
Built-in microphone and speaker
Storage Micro SD card slot (max. 256 GB) Micro SD card slot (max. 256 GB)
Video format H.265 H.264
Frames per second Fundamental Stream: 4fps – 20fps (Default: 20fps)
Substream: 4fps – 15fps (Default: 10fps)
Fundamental Stream: 2fps – 25fps (Default: 15fps)
Substream: 4fps – 15fps (Default: 10fps)
code charge Fundamental Stream: 1024 Kbps -5120 Kbps (Default: 4096 Kbps)
Sub Stream: 64 Kbps – 512 Kbps (Default: 256 Kbps)
Fundamental Stream: 1024 Kbps -5120 Kbps (Default: 3072 Kbps)
Sub Stream: 64 Kbps – 512 Kbps (Default: 256 Kbps)
Good alarm Movement detection; individual detection;
car detection; pet detection (beta)
Movement Detection/Individuals Detection/Car Detection
recording mode Movement activated recording (default)
scheduled recording; 24/7 recording
Movement activated recording (default)
scheduled recording; 24/7 recording
Protocols and Requirements HTTPS, SSL, TCP/IP, UDP, HTTP, IPv4, UPnP
IP Ranking IP66 IP66
Working temperature -10°C~+55°C (14°F~131°F) -10°C~+55°C (14°F~131°F)
Dimensions 195x103x56mm 195x103x56mm
Weight 650g 680g

Settings / Configuration

The setup process is similar to that of all Reolink cameras. Add it by means of the app and set an admin password.

You possibly can handle the digicam by way of cell app, internet browser or Home windows app.

Inside the settings, you’ll be able to set the digicam change to at all times use coloration or at all times black and white or auto.

You may also change the settings for the highlight, together with brightness and when it comes on. With my location, I modified it to solely activate when folks had been detected.

You then have varied recording choices, this contains skilled movement recording (helpful when utilizing microSD) and schedule.

There are fewer settings than there was once with Reolink cameras. It has an possibility for day/evening and infrared lights, however no dynamic backlight choices. You possibly can modify the assorted settings for brightness, distinction saturation, and sharpness. Then with every mode you’ll be able to manually set the brightness and shadows.

Blue Iris/Synology Surveillance Station/Third Social gathering NVR

In case you are utilizing a third-party NVR comparable to Blue Iris or Synology Surveillance Station, you might want to allow RTSP/ONVIF inside the community settings below port setting possibility.

Blue Iris ought to be capable of robotically detect energy. There isn’t a must arrange a second channel with this, and there’s no second channel in any respect.

The format for the principle RTSP feed needs to be:

rtsp://administrator:[email protected]:554/h265Preview_01_main

And for the secondary stream, it’s:

rtsp://administrator:[email protected]:554/h264Preview_01_sub

Movement detection

Movement detection is principally the identical as all current Reolink cameras. Because of the very vast discipline of view, I’d advocate setting the detection zone. I did not, and the digicam principally recorded 24/7 to my microSD card due to the automobiles within the background.

In the event you discover it too delicate or not delicate sufficient, you’ll be able to dial within the settings utilizing the sensitivity, alarm delay, and object dimension choices.

There’s additionally the brand new pet detection which remains to be in beta. I haven’t got any pets, neither is the digicam positioned wherever value recognizing.

For my daytime pattern footage, I repositioned the digicam on my window sill simply exterior my workplace. It isn’t an ideal location and sooner or later I will be establishing some sort of simple mounting resolution in a set spot for all of the cameras I assessment. With this assessment, I had scaffolding put in earlier than I had an opportunity to seize some first rate evening photographs with the highlight. Subsequently, I needed to transfer the digicam to my again backyard to offer this footage.

The Reolink Duo 2 now solely produces one foremost supply, which consists of the pictures from the 2 cameras robotically stitched collectively, providing you with a picture with an nearly 180° discipline of view.

Reolink Duo 2 with two sources robotically linked (by way of Home windows app)
Authentic Reolink Duo seams made by Reolink Android app

They’ve additionally eliminated a lot of the quirks that the unique Duo had. The 2 feeds sewn collectively nearly completely. In my daytime footage, you’ll be able to see that it isn’t 100% good. The road signal within the distance has a little bit of ghosting. I think this has one thing to do with the issue of completely matching photographs at close to and much distance. You possibly can manually modify the stitching, and also you might be able to repair it, but it surely’s such a minor drawback that it hardly appears value it.

Additionally, the older digicam used to have fairly completely different lighting between photographs as a result of the cameras actually level in several instructions. Reolink has managed to match the uniformity of illumination within the two cameras.

Authentic Reolink Duo with imperfect seams and publicity variations between the 2 cameras

One factor I did discover with this digicam was the glare from the solar. I have not skilled this earlier than, however I think it is due to the vast discipline of view, it is onerous to place the digicam to keep away from the horizon. The glow solely happens within the morning when the solar rises above the home over the highway.

Sadly I used to be solely recording to microSD once I initially reviewed this, and it did not seize anybody strolling down the backyard path at evening to activate the highlight earlier than I put up the scaffolding. So there are two movies, one with evening photographs and no spotlights, then a second relocated to my backyard.

Value and various choices

The value of the Reolink Duo 2 WiFi is estimated at $159.99 (US) / £154.99 (UK) / €189.99 (EU).

Purchase the Reolink Duo 2 WiFi from Reolink

For the POE model, it needs to be a bit cheaper at $149.99 (US) / £144.99 (UK) / €179.99 (EU).

Purchase the Reolink Duo 2 POE from Reolink

On the time of writing, the unique Reolink Duo is priced as follows:

  • Reolink Duo WiFi: £125.99 RRP at the moment £107.09
  • Reolink Duo POE: £114.99 RRP at the moment £103.49 or barely cheaper on Amazon

As ever, Reolink is in a world of its personal relating to these quirky cameras. There are not any related competing merchandise.

There are a handful of fisheye surveillance cameras with mediocre critiques which might be accessible on Amazon.

It isn’t precisely the identical, however most Arlo cameras have a really vast discipline of view. These are all single lenses so I doubt they’ll present the identical high quality.


I feel the Reolink Duo 2 is the digicam that folks had been anticipating when the unique Reolink Duo was launched. Two cameras work in unison to offer a high-quality, practically 180° discipline of view. It additionally has the good thing about a single video supply, which may very well be essential for some NVRs and software program licenses like Surveillance Station.

Basically, that is the one distinction, but it surely’s a giant distinction. I already actually preferred the unique Duo as a result of it was an modern product and it simplified surveillance over a large space by providing you with two cameras however with out the trouble of establishing two separate cameras.

Subsequently, the Reolink Duo 2 is superb. Because of the quantity of deliveries I obtain, I often monitor a digicam feed on a aspect monitor, so I can get from my workplace to the entrance door sooner. The extremely vast angle is ideal for this state of affairs, making it simple to see vans parking from both aspect and folks strolling down my path from each instructions.

Nevertheless, I might say the unique is value contemplating. Being an older product, there is a vital worth distinction and you are not dropping a lot (or something) in precise surveillance high quality.

Final up to date on 2022-07-24 / Affiliate Hyperlinks / Amazon Product Promoting API Photos

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Reolink Duo 2 Review – A significant improvement thanks to one stitched image


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