---
product_id: 719180548
title: "eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen"
brand: "eufy security"
price: "S$579"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/719180548-eufy-security-smart-lock-familock-s3-max-with-palm-vein
store_origin: SG
region: Singapore
---

# 2K HDR wide-angle camera 4-month rechargeable battery 99.9% palm vein accuracy eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen

**Brand:** eufy security
**Price:** S$579
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future of home security with a wave of your hand!

## Quick Answers

- **What is this?** eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen by eufy security
- **How much does it cost?** S$579 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/719180548-eufy-security-smart-lock-familock-s3-max-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

- • **Dual Power Backup System:** Stay secure through outages with 4 months of rechargeable power plus emergency AAA batteries.
- • **Next-Gen Palm Vein Security:** Unlock your door in 0.6 seconds with forgery-proof biometric tech—privacy stored locally, always.
- • **Instant Rear Lock Video Screen:** Check who’s at your door without a phone—perfect for family members who prefer simplicity.
- • **Seamless Smart Home Integration:** Effortlessly connect with Apple Home, Alexa, Google Home & more via Matter for a future-ready ecosystem.
- • **Crystal-Clear 2K HDR Doorbell Camera:** Monitor every visitor with a 150° head-to-toe view and night clarity that never sleeps.

## Overview

The eufy Security FamiLock S3 Max combines cutting-edge palm vein biometric unlocking with a 2K HDR video doorbell and a unique rear lock video screen. Featuring a dual power system for uninterrupted security and seamless integration with major smart home platforms, it offers a privacy-first, user-friendly solution for modern homes seeking advanced, reliable access control and monitoring.

## Description

eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen - desertcart.com

## 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 feature relies on the unique vein patterns in your palm, ensuring top-tier protection. Plus, your palm vein data is stored securely on the device, keeping your privacy intact.
- 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 spots, perfect for monitoring packages or checking on visitors. A smart lock with real-time visitor alerts. Whether it's ensuring your family's safety or giving peace of mind when older people or children are home alone, the FamiLock S3 Max keeps you connected and reassured.
- 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 design makes it ideal for the elderly and children, offering a quick and hassle-free way to see who’s at the door. Perfect for households seeking an easy-to-use, app-free solution for monitoring the front entrance.
- 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 essential functionality in case of power outages.
- 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 | B0DTHMFMKP |
| Additional Features | 2K Full HD Head-to-toe View, DualPower System, PIR+Radar Motion Detect, Wave to unlock with Palm, Works with Smart Home Platforms |
| Best Sellers Rank | #2,699 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Deadbolts |
| Brand Name | eufy Security |
| Color | Black |
| Connectivity Protocol | Wi-Fi |
| Control Method | Gesture, Remote, Touch, Voice |
| Controller Type | Amazon Alexa, Android, Apple HomeKit, SmartThings, iOS |
| Customer Reviews | 4.4 4.4 out of 5 stars (429) |
| Included Components | Deadbolts & Deadbolts Screws, Exterior Assembly, Interior Assembly, Physical Keys, Rechargeable Battery & AAA Batteries x 4 |
| Item Dimensions | 3.07 x 1.22 x 7.87 inches |
| Item Weight | 1043 Grams |
| Lock Type | Biometric, Deadbolt, Video Door Lock, Video Doorbell |
| Manufacturer | eufy |
| Manufacturer Part Number | T85V0 |
| Material Type | Aluminum |
| Model Name | E85V0JY1 |
| Model Number | E85V0 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Apartment Door, Office Door, Front Door, Entry Door, Exterior Door |
| Shape | Rectangular |
| Smart Home Compatibility | Smart Home Compatible |
| Style Name | Palm Vein + Video + Rear Screen |
| UPC | 194644232658 |
| 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:** Biometric, Deadbolt, Video Door Lock, Video Doorbell
- **Material:** Aluminum

## Images

![eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen - Image 1](https://m.media-amazon.com/images/I/617mwPYXpqL.jpg)
![eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen - Image 2](https://m.media-amazon.com/images/I/61EIvlDM9XL.jpg)
![eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen - Image 3](https://m.media-amazon.com/images/I/81LFfZlwdLL.jpg)
![eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen - Image 4](https://m.media-amazon.com/images/I/71exCfvhbnL.jpg)
![eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen - Image 5](https://m.media-amazon.com/images/I/71NzQOL9rNL.jpg)

## Available Options

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

## Questions & Answers

**Q: What kind of doors are eufy FamiLock S3 Max 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 Max compatible with?**
A: It supports connection with Homebase 3 and it is not compatible with HB2. Without Homebase, it links to other eufy cameras, letting you remotely lock/unlock via live view on any device.

**Q: Does eufy FamiLock S3 Max 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.

**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 Max, Palm Vein Recognition Wi-Fi Smart Lock, 3-in-1 Keyless Entry, Security Electronic Deadbolt for Front Door, ANSI/BHMA Grade 1, Rear Lock Video Screen
- 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.sg/products/719180548-eufy-security-smart-lock-familock-s3-max-with-palm-vein](https://www.desertcart.sg/products/719180548-eufy-security-smart-lock-familock-s3-max-with-palm-vein)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-04*