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🔐 Unlock the future with a touch—security that’s smarter, faster, and undeniably sleek.
The eufy FamiLock S3 is a premium ANSI/BHMA Grade 1 smart lock featuring ultra-secure palm vein recognition with 99.99999% accuracy and 0.1-second response time. It integrates a 2K HD camera with a 150° ultra-wide view and HDR for superior monitoring. Powered by a 15,000mAh rechargeable battery plus AAA backups, it offers up to 5 months of uninterrupted use. Advanced PIR and Radar sensors reduce false alarms by 95%, while seamless compatibility with Apple Home, Alexa, Google Home, and Matter ensures a cutting-edge, privacy-first smart home experience.
| ASIN | B0DTHVNNXQ |
| ASIN | B0DTHVNNXQ |
| Additional Features | Auto-Lock |
| Batteries | 4 AAA batteries required. (included) |
| Best Sellers Rank | #18,328 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #30 in Deadbolts |
| Brand Name | eufy Security |
| Color | Light Gray |
| Connectivity Protocol | Wi-Fi |
| Control Method | App |
| Controller Type | Apple HomeKit, Amazon Alexa, SmartThings, iOS, Android |
| Customer Reviews | 4.1 4.1 out of 5 stars (379) |
| Customer reviews | 4.1 4.1 out of 5 stars (379) |
| Date First Available | 24 June 2025 |
| Included Components | Lock |
| Item Dimensions | 7.8 x 3.1 x 20 centimeters |
| Item Weight | 2.45 Kilograms |
| Item model number | T85V0 |
| Lock Type | Deadbolt |
| Manufacturer | eufy |
| Manufacturer | eufy |
| Manufacturer Part Number | T85V0 |
| Material Type | Stainless Steel |
| Model Name | T85V01Y1 |
| Model Number | T85V0 |
| Number of Pieces | 1 |
| Product Dimensions | 7.8 x 3.1 x 19.99 cm; 2.45 kg |
| Recommended Uses For Product | Securing residential front doors |
| Shape | Rectangular |
| Style Name | Palm Vein + Video |
| UPC | 194644232672 |
| Unit Count | 1.0 Count |
S**J
The eufy FamiLock S3 has been a huge upgrade for me, especially after returning the Lockin Veno. Assembly was surprisingly simple and frustration-free. Everything fit together intuitively, and the instructions were clear enough that I had the lock fully installed and running in far less time than I expected. What really sets the FamiLock S3 apart from the Veno is the feature set. The responsiveness of the fingerprint reader, the smoothness of the touchscreen, and the overall build quality all feel a step above. The app integration is cleaner too, with faster updates and more reliable notifications. After dealing with connection hiccups and slower response times on the Veno, this lock feels like a breath of fresh air. Another big draw for me was eufy’s strong security reputation. Their focus on privacy and local data processing gave me a lot more confidence in choosing a smart lock that would actually protect my home without sending data who-knows-where. It’s reassuring to know the company behind the product takes security seriously. Overall, the FamiLock S3 has been easy to set up, easy to use, and packed with thoughtful improvements over the lock it replaced. I’m genuinely glad I made the switch.
S**Y
Love this lock. It’s so convenient! We’ve been using it for almost a year. Works great. The camera is nice and crisp. The field of view is great. Battery charge holds up good. Easy to install and operate. Autolock - great feature! We have a cheaper model on our interior garage door. Love this brand.
M**N
We have used KwikSet locks in the past and they did the job but this lock is better. The installation was easy and the palm sensor works well for us. Also this lock looks very nice on our front door. Our version is the FamiLock E34 Smart Lock with palm vein detection. Eufy did a good job creating this lock.
R**N
The only feature missing is the detection of open/closed door so it does not try to lock when the door is still open.
S**S
Works well. Integration was easy with the S3 base and Alexa
Trustpilot
1 week ago
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