Is the eufyCam S3 Pro Add-on Cam (Solar, 4K) worth it?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) ($149.99) is recommended with a 8.8/10 consensus score across 4 expert reviews. Experts highlight cheapest way to add a 4k eufy camera at $219.99 and same maxcolor night vision sensor as the full s3 pro kits. Best for: Existing eufy HomeBase 3 owners who want to add one more 4K solar camera with on-device AI and zero monthly fee.
Verified 40d ago
Affiliate link — we earn a commission at no extra cost to you
eufyCam S3 Pro Add-on Cam (Solar, 4K)
Outdoor Security Camera
SmartHomeExplorer proprietary rating
4 expert sources
The eufyCam S3 Pro Add-on Cam (Solar, 4K) earns a SHE Score of 6.4/10, driven by strong value (9.3/10) with room to improve in future-proofing (5/10). Based on 4 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.8/10 across 4 sources
Updated this weekKey Features
- ✓ Single 4K (3840x2160) camera with MaxColor Vision night vision
- ✓ Records locally to an existing HomeBase 3 — no monthly fee
- ✓ Bundled solar panel plus 13,000mAh battery
- ✓ On-device AI face recognition with people, vehicle, and pet sorting
Best For
eufyCam S3 Pro Add-on Cam (Solar, 4K) vs. the alternatives
How the eufyCam S3 Pro Add-on Cam (Solar, 4K) stacks up against other Security options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| eufyCam S3 Pro Add-on Cam (Solar, 4K)This page | $149.99 | 8.8/10 | 6.4/10 | major smart home platforms | Recommended |
| eufyCam S3 Pro 2-Cam Kit (Solar, 4K) | $379.99 | 9.2/10 | 6.8/10 | major smart home platforms | Must Buy |
| eufyCam S3 Pro 4-Cam Kit (Solar, 4K) | $499.99 | 9/10 | 6.6/10 | major smart home platforms | Recommended |
| Arlo Pro 2K Spotlight Camera (6th Gen, 2025) — 2-Cam Kit | $149.00 | 6.6/10 | 5.5/10 | major smart home platforms | Good Value |
The eufyCam S3 Pro Add-on Cam (Solar, 4K) ($149.99) earns a 8.8/10 expert consensus and a 6.4/10 SHE Score across 4 sources, versus the Eufy Security S330 Video Doorbell at $98.99 (8.7/10 consensus).
What Experts Agree On
What Experts Love
- ✓ Cheapest way to add a 4K eufy camera at $219.99
- ✓ Same MaxColor night vision sensor as the full S3 Pro kits
- ✓ Solar plus 13,000mAh battery means set-and-forget charging
- ✓ No monthly fee — records to the HomeBase you already own
Common Criticisms
- ✗ Only a value if you already own a HomeBase 3 to pair it to
- ✗ Single camera — not a standalone system on its own
- ✗ Drops to 1080p through Apple HomeKit like the kits
Tap any pick to check its live price on Amazon.
eufy X10 Pro Omni
$479.98RecommendedView on Amazon
Level Bolt Smart Lock
$159-$199RecommendedView on Amazon
eufy Security eufyCam S3 Pro 2-Cam Kit
$549.99Must BuyView on Amazon
Apple AirTag (2nd Generation) 4-Pack
$94.99Must BuyView on Amazon
iRobot Roomba Combo j5
$199.99RecommendedView on Amazon
Ring Battery Doorbell Plus
$179.99RecommendedView on Amazon
Ready to buy the eufyCam S3 Pro Add-on Cam (Solar, 4K)?
Check Price on Amazon$149.99 · 4 expert sources · 8.8/10 consensus
Shop similar on Amazon
Comparable Security picks you can buy today — each link goes straight to its current Amazon listing.
Frequently Asked Questions
Is the eufyCam S3 Pro Add-on Cam (Solar, 4K) worth it?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) earns a 8.8/10 consensus score across 4 expert sources and is rated "Recommended". At $149.99, it is best for Existing eufy HomeBase 3 owners who want to add one more 4K solar camera with on-device AI and zero monthly fee. it ranks among the top picks in its category.
How much does the eufyCam S3 Pro Add-on Cam (Solar, 4K) cost?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) is priced at $149.99. With a 8.8/10 score from 4 expert reviews and a "Recommended" rating, that price represents strong value relative to the ~7.5/10 average for Security products. Prices shift often, so check the live figure before buying.
Who is the eufyCam S3 Pro Add-on Cam (Solar, 4K) best for?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) is best for Existing eufy HomeBase 3 owners who want to add one more 4K solar camera with on-device AI and zero monthly fee. Experts rate it "Recommended" with a 8.8/10 consensus across 4 sources.
How does the eufyCam S3 Pro Add-on Cam (Solar, 4K) compare to other Security options?
Among the Security products we have aggregated, the eufyCam S3 Pro Add-on Cam (Solar, 4K) ranks above average with a 8.8/10 score. See our full category comparison for head-to-head details.
What smart home systems does the eufyCam S3 Pro Add-on Cam (Solar, 4K) work with?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the eufyCam S3 Pro Add-on Cam (Solar, 4K) need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the eufyCam S3 Pro Add-on Cam (Solar, 4K)?
If the eufyCam S3 Pro Add-on Cam (Solar, 4K) ($149.99, 8.8/10) is not the right fit, the closest alternatives in Security are Eufy Security S330 Video Doorbell, Ring Video Doorbell 4. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the eufyCam S3 Pro Add-on Cam (Solar, 4K)?
The main strengths of the eufyCam S3 Pro Add-on Cam (Solar, 4K) are cheapest way to add a 4k eufy camera at $219.99 and same maxcolor night vision sensor as the full s3 pro kits. The most-cited downside is only a value if you already own a homebase 3 to pair it to. Overall, 4 expert sources rate it "Recommended" with a 8.8/10 consensus score.
Sources & Methodology
Consensus score based on available data. See how we build consensus scores and the SHE Score methodology.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 4 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. eufy and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by eufy or any other manufacturer named in this article.