---
product_id: 719185964
title: "eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition"
brand: "eufy security"
price: "$734.11"
currency: USD
in_stock: true
category: "Eufy Security"
url: https://www.desertcart.us/products/719185964-eufy-security-video-smart-lock-familock-s3-with-palm-vein
store_origin: US
region: United States of America
---

# 2K HD camera with 150° ultra-wide view 4 months battery + 1 month backup power 0.6s ultra-fast palm vein unlock eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition

**Brand:** eufy security
**Price:** $734.11
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future with palm-powered precision and crystal-clear security.

## Quick Answers

- **What is this?** eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition by eufy security
- **How much does it cost?** $734.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/719185964-eufy-security-video-smart-lock-familock-s3-with-palm-vein)

## Best For

- eufy security enthusiasts

## Why This Product

- Trusted eufy security brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **See Every Detail:** 2K HDR camera with a 150° ultra-wide lens ensures no visitor or package goes unnoticed, day or night.
- • **Unlock in a Blink:** Experience next-level security with lightning-fast 0.6-second palm vein recognition—your unique biometric key.
- • **Power That Keeps Up:** Dual power system with a massive 15,000mAh rechargeable battery plus AAA backups means your security never sleeps.
- • **False Alarm? Not Here.:** Advanced PIR & Radar dual sensors cut false alarms by 95%, delivering reliable, intelligent detection every time.
- • **Smart Home, Smarter Lock:** Seamlessly integrates with Apple Home, Alexa, Google Home, and Matter for a privacy-first, future-ready smart ecosystem.

## Overview

The eufy Security FamiLock S3 is a BHMA Grade 1 smart deadbolt featuring ultra-fast 0.6-second palm vein recognition for keyless entry, a 2K HDR camera with a 150° ultra-wide view for comprehensive monitoring, and a robust dual power system offering up to 4 months of use plus backup batteries. It integrates seamlessly with major smart home platforms including Apple HomeKit, Alexa, Google Home, and Matter, while advanced PIR and Radar sensors reduce false alarms by 95%, making it a cutting-edge, privacy-first security solution for modern homes.

## Description

eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition | Wi-Fi Deadbolt+2K HDR Doorbell Camera, BHMA Grade 1, Keyless Entry Door Lock for Front Door, 16GB Storage, No Monthly Fee - desertcart.com

## Features

- Palm Vein Unlocking: Unlock with advanced security and ultra-fast recognition in just 0.6 seconds. Forgery-resistant palm vein technology scans your unique vein patterns for added protection. All data is securely stored locally on the lock—keeping your privacy in your hands.
- All-in-One Smart Lock with 2K HD Camera: FamiLock S3 integrates a high-resolution 2K HD camera with an f/1.8 lens, ensuring crystal-clear visibility even in low light with HDR support. Enjoy an ultra-wide view with 150° vertical, 150° horizontal, and 180° diagonal coverage, eliminating blind spots—perfect for monitoring packages and visitors.
- Dual Power Supply for Uninterrupted Performance: Stay powered with a 15,000mAh rechargeable lithium battery, offering up to 4 months of continuous use. In case of power loss, 4 AAA backup batteries provide an extra month of operation, ensuring uninterrupted security.
- PIR & Radar Dual Sensors for Smart Detection: Reduce false alarms by 95% with advanced PIR and Radar dual-sensor technology, delivering faster and more reliable access—keeping security and convenience at the forefront.
- 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 connections with Apple Home, Google Home, Alexa, and SmartThings—giving you a privacy-first, future-ready smart home experience. [Note: Camera streams are not supported via Matter due to current limitations. For full features and the best experience, please use the eufy App.] Matter is now compatible with HomeBase 3 for simultaneous use. This video lock is not compatible with HomeBase 2.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DTHVNNXQ |
| Additional Features | 2K Full HD Head-to-toe View, Auto-Lock, Dual Power System, Unlock with Palm, Works with Smart Home Platforms |
| Best Sellers Rank | #7,776 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #41 in Deadbolts |
| Brand Name | eufy Security |
| Color | Black |
| 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 (295) |
| Included Components | Interior Assembly, Rechargeable Battery & AAA Batteries x 4, Exterior Assembly, Physical Keys, Deadbolts & Deadbolts Screws |
| Item Dimensions | 3.07 x 1.22 x 7.87 inches |
| Item Highlight | Wi-Fi Deadbolt+2K HDR Doorbell Camera, BHMA Grade 1, Keyless Entry Door Lock for Front Door, 16GB Storage, No Monthly Fee |
| Item Weight | 2.45 kg |
| Lock Type | Deadbolt |
| Manufacturer | eufy |
| Manufacturer Part Number | T85V0 |
| Material Type | Metal |
| Model Name | T85V01Y1 |
| Model Number | T85V0 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Securing residential front doors |
| Shape | Rectangular |
| Style Name | Palm Vein + Video |
| UPC | 194644232672 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** eufy Security
- **Item dimensions L x W x H:** 3.07 x 1.22 x 7.87 inches
- **Lock Type:** Deadbolt
- **Material:** Metal

## Images

![eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition - Image 1](https://m.media-amazon.com/images/I/51FYCIGlqtL.jpg)
![eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition - Image 2](https://m.media-amazon.com/images/I/31WxYsZ7OML.jpg)
![eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition - Image 3](https://m.media-amazon.com/images/I/41YOdyh4sML.jpg)
![eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition - Image 4](https://m.media-amazon.com/images/I/41XKxfouLWL.jpg)
![eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition - Image 5](https://m.media-amazon.com/images/I/41cakmFva7L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: What kind of doors are eufy FamiLock S3 compatible with?**
A: Compatible with most standard doors, door thickness:35-55 mm. Do not recommend to install on the door that has a storm door in front, which might block the view. If your latch recess is round, contact eufy Support to get a round drive-in faceplate.

**Q: Which eufy devices and systems are eufy FamiLock S3 compatible with?**
A: It supports connection with Homebase 3 and it is not compatible with HB2. With Homebase, it links to other eufy cameras, letting you remotely lock/unlock via live view on any device.

**Q: Does eufy FamiLock S3 support external integration with other smart home platforms?**
A: It supports the Matter protocol. Through Matter, you can work with Apple Home to integrate into the Apple ecosystem. Currently, it cannot be connected to HB3 and external ecosystem gateways simultaneously. eufy is on standby for a beta solution.

**Q: What should be noted when using the palm vein unlocking function?**
A: You can store palm vein information for 50 family members. The palm vein can only be used to unlock, not to lock.

**Q: What is the power supply method of this door lock? What happens if the battery runs out?**
A: Our door lock uses a dual power supply with lithium and standard batteries. When the lithium battery is low, standard batteries provide emergency power, allowing PIN code access to lock/unlock, while other functions are unavailable.

## Frequently Bought Together

- eufy FamiLock S3, Palm Vein Recognition Wi-Fi Smart Lock, 3-in-1 Keyless Entry, Security Electronic Deadbolt for Front Door, ANSI/BHMA Grade 1, Auto Lock, Voice Control, IP65 Waterproof
- eufy Security HomeBase S380 (HomeBase 3),eufy Edge Security Center, Local Expandable Storage up to 16TB, eufy Security Product Compatibility, Advanced Encryption,2.4 GHz Wi-Fi, No Monthly Fee

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-21*