Camera Comparison · UK 2026
Blink Outdoor 4 vs Reolink Altas

Specs, pros and cons compared side by side

Both the Blink Outdoor 4 and the Reolink Altas are security cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Blink specs come from Blink’s UK support pages; Reolink specs come from Reolink’s own product pages.

Quick verdict

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Blink Outdoor 4

Pick it for: Runs on 2x AA lithium cells (the Altas: 20,000mAh battery)

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Reolink Altas

Pick it for: 4MP (2560 x 1440) video (the Blink: 1080p) · Dual-band Wi-Fi 6 (the Blink: 2.4GHz only) · IP66 weather rating (the Blink: IP65)

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Quick comparison

Spec Blink Outdoor 4 Reolink Altas
Resolution 1080p HD, 143° diagonal 4MP (2560 x 1440), 110° diagonal
Power 2x AA lithium, up to 2 years 20,000mAh battery, up to 540 days (motion mode); Solar Panel 2 (6W) sold separately
Wi-Fi 2.4GHz only Wi-Fi 6, 2.4GHz and 5GHz
Weather rating IP65 IP66
Storage Needs a Sync Module; local with a Sync Module 2 (the Core has none), or cloud with a plan microSD up to 512GB, Reolink Home Hub and Home Hub Pro, Reolink Cloud
Smart home Blink app; works with Alexa Google Assistant and Alexa
Blink Outdoor 4

Pros

  • Long battery life on AA lithium cells
  • Wire-free install
  • IP65 weather rating
  • Works with the Floodlight Mount and Solaris

Cons

  • 1080p, not 2K
  • Needs a Sync Module
  • Sync Module Core in the bundle has no local storage
  • Person Detection needs a Blink plan
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

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Which should you buy?

Why choose the Blink Outdoor 4

  • Runs on 2x AA lithium cells (the Altas: 20,000mAh battery)
Why choose the Reolink Altas

  • 4MP (2560 x 1440) video (the Blink: 1080p)
  • Dual-band Wi-Fi 6 (the Blink: 2.4GHz only)
  • IP66 weather rating (the Blink: IP65)

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