---
product_id: 719185964
title: "eufy Security Smart Lock FamiLock S3 with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16 GB Built‑in Storage, BHMA 1, No Monthly Fee"
price: "¥86763"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/719185964-eufy-security-smart-lock-familock-s3-with-palm-vein-recognition
store_origin: JP
region: Japan
---

# 2K HDR ultra-wide camera 4 months battery + backup 99.9% palm vein accuracy eufy Security Smart Lock FamiLock S3 with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16 GB Built‑in Storage, BHMA 1, No Monthly Fee

**Price:** ¥86763
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future of home security with a touch of your palm!

## Quick Answers

- **What is this?** eufy Security Smart Lock FamiLock S3 with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16 GB Built‑in Storage, BHMA 1, No Monthly Fee
- **How much does it cost?** ¥86763 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/719185964-eufy-security-smart-lock-familock-s3-with-palm-vein-recognition)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unstoppable Power Backup:** Stay secure for up to 5 months with rechargeable and AAA battery dual system.
- • **Next-Gen Palm Vein Security:** Unlock your door in 0.6 seconds with forgery-proof biometric precision.
- • **Auto-Lock & Intelligent Sensors:** Reduce false alarms by 95% with PIR & Radar dual sensors and enjoy hands-free auto-lock convenience.
- • **Smart Home Ready & Privacy-First:** Seamlessly integrates with Apple Home, Alexa, Google, and Matter for future-proof automation.
- • **Crystal-Clear 2K HDR Doorbell Camera:** Monitor every visitor and package with a 150° ultra-wide, low-light optimized lens.

## Overview

The eufy Security Smart Lock FamiLock S3 combines cutting-edge palm vein recognition with a 2K HDR doorbell camera and dual power backup, delivering ultra-secure, keyless entry and crystal-clear monitoring. Designed for seamless integration with major smart home platforms and equipped with intelligent sensors, it offers a privacy-first, no-monthly-fee solution that keeps your front door safe and smart.

## 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 | #2,517 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in Deadbolts |
| Brand | eufy Security |
| Brand Name | eufy Security |
| Color | Black |
| Control Method | App |
| Controller Type | Apple HomeKit, Amazon Alexa, SmartThings, iOS, Android |
| Customer Reviews | 4.1 out of 5 stars 228 Reviews |
| 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 dimensions L x W x H | 3.07 x 1.22 x 7.87 inches |
| Lock Type | Deadbolt |
| Manufacturer | eufy |
| Manufacturer Part Number | T85V0 |
| Material | Metal |
| Material Type | Metal |
| Model Name | T85V01Y1 |
| Model Number | T85V0 |
| Number of Pieces | 1 |
| Shape | Rectangular |
| Smart Home Compatibility | Smart Home Compatible |
| Special Feature | 2K Full HD Head-to-toe View, Auto-Lock, Dual Power System, Unlock with Palm, Works with Smart Home Platforms Special Feature 2K Full HD Head-to-toe View, Auto-Lock, Dual Power System, Unlock with Palm, Works with Smart Home Platforms See more |
| Style | Palm Vein + Video |
| Style Name | Palm Vein + Video |
| UPC | 194644232672 |
| Unit Count | 1.0 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 Smart Lock FamiLock S3 with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16 GB Built‑in Storage, BHMA 1, No Monthly Fee - Image 1](https://m.media-amazon.com/images/I/510IWzoRYDL.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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**Shop now:** [https://www.desertcart.jp/products/719185964-eufy-security-smart-lock-familock-s3-with-palm-vein-recognition](https://www.desertcart.jp/products/719185964-eufy-security-smart-lock-familock-s3-with-palm-vein-recognition)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-19*