Camera Comparison · UK 2026
Reolink Altas vs Arlo Essential 3

Specs, pros and cons compared side by side

Both the Reolink Altas and the Arlo Essential 3 are security cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Reolink specs come from Reolink’s own product pages; Arlo specs come from our Arlo review, checked against Arlo’s own pages.

Quick verdict

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Reolink Altas

Pick it for: Records to microSD up to 512GB without a hub (the Essential 3: local storage needs a SmartHub) · IP66 weather rating (the Essential 3: IP65)

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Arlo Essential 3

Pick it for: Apple Home (via a SmartHub), SmartThings and IFTTT support (the Altas: Google Assistant and Alexa)

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Quick comparison

Spec Reolink Altas Arlo Essential 3
Resolution 4MP (2560 x 1440), 110° diagonal 2K
Power 20,000mAh battery, up to 540 days (motion mode); Solar Panel 2 (6W) sold separately Integrated battery, charged by USB-C
Wi-Fi Wi-Fi 6, 2.4GHz and 5GHz 2.4GHz or 5GHz
Weather rating IP66 IP65
Storage microSD up to 512GB, Reolink Home Hub and Home Hub Pro, Reolink Cloud Cloud (Arlo Secure); local via an optional SmartHub
Smart home Google Assistant and Alexa Alexa, Google Home, SmartThings, IFTTT, Apple Home (via SmartHub)
Reolink Altas

Pros

  • A 540-day battery rating in motion detection mode
  • Continuous and pre-recording options on battery
  • Colour night vision
  • Dual-band Wi-Fi 6

Cons

  • No infrared night vision
  • Solar panel sold separately
  • Fixed view, no pan or tilt
  • 4MP rather than 4K
Arlo Essential 3

Pros

  • No mains cable needed
  • 2K with colour night vision
  • Works with a SmartHub if you want local storage
  • Solar panel supported

Cons

  • Fixed view
  • Battery cannot be removed

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Which should you buy?

Why choose the Reolink Altas

  • Records to microSD up to 512GB without a hub (the Essential 3: local storage needs a SmartHub)
  • IP66 weather rating (the Essential 3: IP65)
Why choose the Arlo Essential 3

  • Apple Home (via a SmartHub), SmartThings and IFTTT support (the Altas: Google Assistant and Alexa)

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