Arlo
Arlo Pro 5S 2K
$249.99
Released 2022-11
Best Security Cameras · head-to-head
Arlo Pro 5S 2K vs Reolink Argus 4 Pro
A sourced, side-by-side comparison. Arlo Pro 5S 2K is cheaper at $249.99. Every spec and price links to its source.
Reolink
Reolink Argus 4 Pro
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Arlo Pro 5S 2K | Reolink Argus 4 Pro |
|---|---|---|
| US price | $249.99 | — |
| Brand | Arlo | Reolink |
| Released | 2022-11 | — |
| Resolution | 2560x1440 (2K HDR) | 5120x1440 (4K UHD, 8 MP) |
| Indoor outdoor | Yes | Yes |
| Power | Rechargeable battery (up to 8 months); optional solar panel or AC adapter | Rechargeable 5000 mAh battery; optional Reolink Solar Panel 2 (6 W); USB-C charging |
| Field of view (°) | 160 | 180 |
| Local storage | No | Yes |
| Cloud subscription | optional | optional |
| Night vision | Color (via integrated spotlight) and black-and-white infrared | Color night vision (ColorX, F/1.0 aperture, 1/1.8" CMOS); 5 built-in spotlights (2 W, 6500 K) for total darkness; no infrared |
| Release | 2022-11 | — |
Sources — Arlo Pro 5S 2K: prnewswire.com (verified 2026-06-15). Reolink Argus 4 Pro: reolink.com (verified 2026-07-08).
What's the difference between the Arlo Pro 5S 2K and Reolink Argus 4 Pro?
Where the two actually differ on the specs we track (5 of 7). Matching specs are omitted.
- Resolution: Arlo Pro 5S 2K 2560x1440 (2K HDR) vs Reolink Argus 4 Pro 5120x1440 (4K UHD, 8 MP)
- Power: Arlo Pro 5S 2K Rechargeable battery (up to 8 months); optional solar panel or AC adapter vs Reolink Argus 4 Pro Rechargeable 5000 mAh battery; optional Reolink Solar Panel 2 (6 W); USB-C charging
- Field of view (°): Arlo Pro 5S 2K 160 vs Reolink Argus 4 Pro 180
- Local storage: Arlo Pro 5S 2K false vs Reolink Argus 4 Pro true
- Night vision: Arlo Pro 5S 2K Color (via integrated spotlight) and black-and-white infrared vs Reolink Argus 4 Pro Color night vision (ColorX, F/1.0 aperture, 1/1.8" CMOS); 5 built-in spotlights (2 W, 6500 K) for total darkness; no infrared
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Arlo Pro 5S 2K
Two whitelisted testers (Tom's Guide and PCWorld/TechHive) hands-on-reviewed this exact model (VMC4060P). Both praise excellent 2K video in daytime and color night vision and accurate person/vehicle/animal detection with robust automation; both flag that an Arlo Secure subscription is required to unlock core features including cloud 2K recording, and that local storage needs a separate $100 Arlo Pro Smart Hub. They diverge on whether the high ongoing cost is worth it. (2 sourced reviews, 2 lab-tested.)
Praised: Excellent 2K video quality in both daytime and color night vision; Accurate intelligent detection of people, vehicles, and animals with robust automation; Long battery life.
Flagged: Arlo Secure subscription required to unlock most core features, including cloud 2K recording; Local video storage requires a separate $100 Arlo Pro Smart Hub; High upfront price (~$250) makes it a pricey investment.
Reolink Argus 4 Pro
No sourced tester review yet.