Updated November 2026
Data from the official Reolink site.
2026 verdict
Solar tracking or a fixed panorama? The Reolink Duo 3 WiFi is the better reviewed of these two Reolink cameras and the stronger choice wherever an outlet is in reach.
It records a 180 degree dual-lens view around the clock, adds an Ethernet port to its dual-band Wi-Fi, streams RTSP natively and carries an IP67 rating against IP65. The Reolink Argus PT Ultra + Solar Panel is the cheaper kit and the only one that runs with no cable at all: its battery charges from the included solar panel, and its 355 degree pan and 140 degree tilt follow movement across a yard, with Alexa support the Duo lacks. Both record 4K with color night vision to microSD with no fee. Choose the Reolink Duo 3 WiFi for continuous wide coverage, and the Reolink Argus PT Ultra + Solar Panel for a spot with no power.
Works with
Connectivity
- Wi-Fi 2.4/5 GHz
vs
Winner
Works with
Connectivity
- Wi-Fi 2.4/5 GHz
- Ethernet
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| Feature | Reolink Argus PT Ultra + Solar Panel | Reolink Duo 3 WiFi | Winner |
|---|---|---|---|
| Rating | 4.0 | 4.2 | Reolink Duo 3 WiFi |
| Weather Resistance | IP65 | IP67 | Reolink Duo 3 WiFi |
| Solar Charging | YES | NO | Reolink Argus PT Ultra + Solar Panel |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi | 2.4 GHz WiFi, 5 GHz WiFi, Ethernet | Reolink Duo 3 WiFi |
| Multiple Lenses | NO | Dual (180° panoramic) | Reolink Duo 3 WiFi |
| RTSP | Reolink Home Hub required | YES | Reolink Duo 3 WiFi |
| Warranty | 2 years | 2 years | Tie |
| PoE | NO | NO | Tie |
| Storage | MicroSD Card Slot, Cloud | MicroSD Card Slot, Cloud | Tie |
| 2K Video | YES | YES | Tie |
| 4K Video | YES | YES | Tie |
| HDR | NO | NO | Tie |
What the differences mean
Power
The Reolink Argus PT Ultra + Solar Panel runs on a 21.6 Wh battery topped up by its solar panel, so it needs no cable. The Reolink Duo 3 WiFi is plug-in only on a 12V adapter, which means an outlet nearby but no battery to manage.
Recording
The Reolink Duo 3 WiFi can record 24/7 to microSD. The Reolink Argus PT Ultra + Solar Panel records events only, sleeping in between to save its battery, though it keeps recording through a power or Wi-Fi outage.
How it covers an area
The Reolink Duo 3 WiFi sees a fixed 180 degree panorama at once. The Reolink Argus PT Ultra + Solar Panel sees 90 degrees at a time but pans 355 degrees and tilts 140 degrees, and can follow a person across the yard.
Integrations
The Reolink Duo 3 WiFi works with Google Home and Home Assistant and streams RTSP on its own. The Reolink Argus PT Ultra + Solar Panel adds Alexa to Google Home, but needs a Reolink Home Hub for RTSP and Home Assistant.
Which one to buy if
- there is no power where the camera goes
The Reolink Argus PT Ultra + Solar Panel runs on its battery and charges from the included solar panel.
- you want continuous 24/7 recording
The Reolink Duo 3 WiFi is mains powered and records around the clock; the Argus records events only.
- you run Home Assistant or an NVR
The Reolink Duo 3 WiFi streams RTSP natively, with no Reolink Home Hub in between.
- you want the camera to follow people across the yard
The Reolink Argus PT Ultra + Solar Panel pans and tilts to track motion.
- you use Alexa
The Reolink Argus PT Ultra + Solar Panel works with Alexa; the Reolink Duo 3 WiFi does not.
19% OFF
$134.99
$166.99
- + Solar Charging: YES
- - Rating: 4.0 vs 4.2
- - Weather Resistance: IP65 vs IP67
Winner
- + Rating: 4.2
- + Weather Resistance: IP67
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Ethernet
- - Solar Charging: NO vs YES
What owners say
Owners of both Reolink cameras praise sharp 4K-class video, bright color night vision and recording with no subscription, so the image and the fees are not where they part ways. Reolink Argus PT Ultra + Solar Panel owners report the battery sitting near full on the included panel even in winter and like the auto-tracking pan-tilt; their warnings are that it sleeps between events instead of recording 24/7, that live view has to reload and that RTSP and Home Assistant depend on a finicky Reolink Home Hub. Reolink Duo 3 WiFi owners single out the 16MP 180 degree view that replaces two cameras and a Wi-Fi 6 link that holds at distance, while noting grainy distant zoom, a first setup that sometimes needs Ethernet and a camera that runs warm in heat.
Frequently Asked Questions
Which is better overall: Reolink Argus PT Ultra + Solar Panel or Reolink Duo 3 WiFi?
The Reolink Duo 3 WiFi, where you have power. It is the better reviewed of the two, records a 180 degree view 24/7, streams RTSP natively and has an Ethernet port and an IP67 rating. The Reolink Argus PT Ultra + Solar Panel is the better pick where there is no outlet.
What is the biggest difference between the Reolink Argus PT Ultra + Solar Panel and the Reolink Duo 3 WiFi?
Power and coverage. The Reolink Argus PT Ultra + Solar Panel is a solar-charged battery camera that pans and tilts, while the Reolink Duo 3 WiFi is a plug-in camera with a fixed 180 degree dual-lens view.
Can the Reolink Argus PT Ultra + Solar Panel record 24/7 like the Reolink Duo 3 WiFi?
No. The Reolink Argus PT Ultra + Solar Panel records motion events and sleeps in between to save its battery. The Reolink Duo 3 WiFi is mains powered and supports continuous 24/7 recording to microSD.
Do they need a subscription?
No. The Reolink Argus PT Ultra + Solar Panel and the Reolink Duo 3 WiFi both record to a microSD card with no fee; Reolink cloud storage is optional and paid.
Who should buy the Reolink Argus PT Ultra + Solar Panel?
Anyone who needs a 4K camera in a spot without power, such as a fence, a barn or a garden, and wants it to track motion across a wide area.
Who should buy the Reolink Duo 3 WiFi?
Buyers with an outlet at the mounting spot who want continuous 180 degree coverage, native RTSP and Home Assistant, and no Ethernet run required.
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