Updated June 2026
Data from Amazon and official Reolink and Sonoff sites.
2026 verdict
In 2026, the recommendation leans toward Reolink Argus 4 Pro over Sonoff Cam Slim Gen2, driven by warranty, weather resistance, and solar charging. What pushes it ahead is warranty, weather resistance, and solar charging, and connectivity and 2K video keep the advantage from looking narrow. You should still consider Sonoff Cam Slim Gen2 if price, rating, and RTSP matter more than raw overall balance. That is why the final call still favors Reolink Argus 4 Pro.
| Feature | Reolink Argus 4 Pro | Sonoff Cam Slim Gen2 | Winner |
|---|---|---|---|
| Price | $179.99 | $19.90 | Sonoff Cam Slim Gen2 |
| Rating | 3.9 | 4.4 | Sonoff Cam Slim Gen2 |
| Warranty | 2 years | 1 year | Reolink Argus 4 Pro |
| Weather Resistance | IP66 | NO | Reolink Argus 4 Pro |
| Solar Charging | YES | NO | Reolink Argus 4 Pro |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi | 2.4 GHz WiFi | Reolink Argus 4 Pro |
| 2K Video | YES | NO | Reolink Argus 4 Pro |
| 4K Video | YES | NO | Reolink Argus 4 Pro |
| RTSP | Reolink Home Hub required | YES | Sonoff Cam Slim Gen2 |
| Alerts | Motion, People, Animals, Vehicles | Motion, People | Reolink Argus 4 Pro |
| Light | YES | NO | Reolink Argus 4 Pro |
| PoE | NO | NO | Tie |
Winner
$179.99
- + Warranty: 2 years
- + Weather Resistance: IP66
- + Solar Charging: YES
- - Price: $179.99 vs $19.90
- - Rating: 3.9 vs 4.4
$19.90
- + Price: $19.90
- + Rating: 4.4
- + RTSP: YES
- - Warranty: 1 year vs 2 years
- - Weather Resistance: NO vs IP66
Frequently Asked Questions
Which is better overall: Reolink Argus 4 Pro or Sonoff Cam Slim Gen2?
Reolink Argus 4 Pro has the stronger overall profile in this comparison, especially for warranty, weather resistance, and solar charging.
What is the biggest difference between Reolink Argus 4 Pro and Sonoff Cam Slim Gen2?
Price is one of the clearest differences: Reolink Argus 4 Pro lists $179.99, while Sonoff Cam Slim Gen2 lists $19.90.
Which one looks better on price?
Reolink Argus 4 Pro is listed at $179.99, while Sonoff Cam Slim Gen2 is listed at $19.90. Sonoff Cam Slim Gen2 (better spec).
Who should buy Reolink Argus 4 Pro?
Choose Reolink Argus 4 Pro if your priority is warranty and weather resistance and that matters more than price.
Who should buy Sonoff Cam Slim Gen2?
Choose Sonoff Cam Slim Gen2 if your priority is price and rating and that matters more than warranty.
