eufy Security Smart Lock FamiLock S3 Max
with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera…
Price as of 2026-06-02. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$36–$90
- Mid-range:$90–$187
- Premium:$187+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in Smart Locks
- •eufy Security loyalists — the brand spans 34 products in our database
- •You're on a tight budget — $176 above the category average of $154
- •LOCKSTAR ® Smart Door Lock • Keyless Entry Deadbolt Door offers a better rating (4.6/5) at a similar or lower price ($149)
- •Kwikset Halo Wi-Fi Smart Lock — 60% cheaper at $132 (Score B+)
- •LOCKSTAR ® Smart Door Lock • Keyless Entry Deadbolt Door — higher rated at 4.6/5 ($149)
📊 Based on data analysis of 96 products in this category.
Mubboo Score: C+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Smart Locks
Computed from live Amazon rating, review count, and price across 96 Smart Locks available to US consumers · last refreshed 2026-06-02.
How It Compares
This Product eufy Security Smart Lock FamiLock S3 Max | Most Popular SCHLAGE Encode Smart Wi‑Fi Deadbolt | Best Rated LOCKSTAR ® Smart Door Lock • Keyless Entry Deadbolt Door | Best Value Kwikset Halo Wi-Fi Smart Lock | |
|---|---|---|---|---|
| Price | $329.99 | $229 | $149 | $132.48 |
| Rating | 4.4/5 | 4.4/5 | 4.6/5 | 4.0/5 |
| Reviews | 389 | 16,340 | 1,819 | 5,252 |
| Mubboo Score | C+ | B+ | B+ | B+ |
Quick Specs
- Color
- Black
- Shape
- Rectangular
- Material
- Aluminum
- Lock Type
- Biometric, Deadbolt, Video Door Lock, Video Doorbell
- Style Name
- Palm Vein + Video + Rear Screen
- Unit Count
- 1.0 Count
- Item Weight
- 1043 Grams
- Manufacturer
- eufy
Related Video Reviews
- 📹 ✅ Best Smart Door Lock 2026 [Watch This Before You Make a Choice!] — Foremost Picks
- 📹 Which Smart Lock Beats Them All? Best Smart Lock of 2026. Eufy Familock S3 Max. — Locksmith Recommended
- 📹 Smart Locks in 2026 - What to Buy, New Features, and More! — 6 Months Later
Key Features
- ✦Palm Vein Unlocking: Advanced Security with 99.9% Accuracy. Achieve recognition in just 0.6 seconds with cutting-edge, forgery-proof palm vein recognition. This next-gen security f…
- ✦This all-in-one device: A 2K HD camera with an f/1.6 lens for sharp, clear visibility—even at night. A video doorbell with a 150° Head-to-Toe wide-angle view that eliminates blind …
- ✦The Rear Lock Video Screen: The Rear Lock Video Screen allows you to effortlessly check the front door status anytime, without needing a smartphone app. Its simple, intuitive desig…
- ✦Dual Power Supply System: Stay powered with a rechargeable battery offering up to 4 months of full functionality, plus an emergency set of 4 AAA batteries for an extra month of ess…
- ✦Seamless Home Automation with Matter & Apple Home: Easily integrate with the eufy Ecosystem & HomeBase 3 for advanced AI security features. Supports Matter for smooth, secure conne…
Source: product listing on Amazon.
About eufy Security
- 34 products in our database
- Average rating: 4.3/5 across all products
- Price range: $18.98 – $329.99
- Categories: Baby Monitors, Breast Pumps, horns-and-sirens, item-finders, monitors, motion-detectors
If not the Smart Lock FamiLock S3 Max, consider these
Bottom Line
eufy Security Smart Lock FamiLock S3 Max earns Mubboo Score C+. Priced at $330 — a premium option, above the category average of $154. Rated 4.4/5 from 389+ reviews. Strong buy if: buyers who prioritize quality over price in smart locks, eufy security loyalists. Skip if: you're on a tight budget — SCHLAGE Encode Smart Wi‑Fi Deadbolt (Score B+, $229) may fit better.
Frequently Asked Questions
Is the eufy Security Smart Lock FamiLock S3 Max worth buying in 2026?
It earns a Mubboo Score of C+, with a 4.4/5 rating from 389 reviews — better than 75% of Smart Locks we track.
How much does the eufy Security Smart Lock FamiLock S3 Max cost?
It is currently $329.99 — premium-tier pricing for Smart Locks.
How does the Smart Lock FamiLock S3 Max compare to other Smart Locks?
The category's most-reviewed alternative is the SCHLAGE Encode Smart Wi‑Fi Deadbolt (4.4/5, 16,340 reviews, $229). The Smart Lock FamiLock S3 Max carries a Mubboo Score of C+ vs B+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-02) and may change.