$70 Off Coupon for FamiLock S3/S3 Max

$1.00
The product will be available for shipping on Mar 17th. At that time, we will send a coupon code to your email for product redemption. You can use the code to redeem the product on either eufy.com or Amazon.

Please note that codes are non-refundable.

The following are the product key selling points:

Palm Vein Unlocking:Advanced Security with 99.99999% Accuracy. Achieve recognition in just 0.1 seconds with secure, forgery-proof paim vein technology. This feature ensures maximum security based on your palm's unique vein patterns. Your palm vein data is stored locally on the lock, keeping your privacy entirely in your hands.

2K Camera (3-in-1): This all-in-one device combines: A 2K HD camera with an f/1.6 lens for sharp, clear visibility—even at night. A video doorbell with a 150°*150°*180° 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.

Pioneering PowerDuo™ Technology:Stay powered with a rechargeable battery offering up to 6 months of full functionality, plus an emergency set of AAA batteries for an extra month of essential functionality in case of power outages.


Smart Sensing for Enhanced Security: Dual sensors minimize false triggers by 95%, offering faster and more reliable access. Your family's safety and convenience are always a priority.

Home Automation with Matter & Apple Home: Seamlessly compatible with the eufy Security Ecosystem and HomeBase 3 for advanced AI features and enhanced security. Supports Matter for easy, secure connections with Apple Home, Google Home, Alexa, and SmartThings. Enjoy a privacy-first, simple, and compatible smart home experience.



  • $70 Off Coupon for FamiLock S3/S3 Max
    $70 Off Coupon for FamiLock S3/S3 Max
    $1.00
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Quick Intro

Products Comparison

eufy FamiLock S3 Max(New)
$399.99

Built-In Wi-Fi: Direct Wi-Fi
Fast Unlocking: Palm Vein Unlocking
Built-In Video Doorbell: √
Cam Resolution: 2K HDR
Display: 4 inch Display
Battery Type: 15000mAh+4*AAA
Battery Life: 6mo+1mo(AAA mode)
Waterproof: IP65
Auto Lock: Door sensor
Work with eufy ecosystem: doorbell&cam&Homebase 3
Work with external ecosystem: Matter/Apple Home/Alexa/GVA
BHMA: Grade 1(Best)
eufy FamiLock S3(New)
$349.99

Built-In Wi-Fi: Direct Wi-Fi
Fast Unlocking: Palm Vein Unlocking
Built-In Video Doorbell: √
Cam Resolution: 2K HDR
Display: -
Battery Type: 15000mAh+4*AAA
Battery Life: 6mo+1mo(AAA mode)
Waterproof: IP65
Auto Lock: Door sensor
Work with eufy ecosystem: doorbell&cam&Homebase 3
Work with external ecosystem: Matter/Apple Home/Alexa/GVA
BHMA: Grade 1(Best)
Video Smart Lock S330
$349.99

Built-In Wi-Fi: Bridge with Chime(included)
Fast Unlocking: Fingerprint
Built-In Video Doorbell: √
Cam Resolution: 2K
Display: -
Battery Type: 10000mAh Rechargeable
Battery Life: 4 months
Waterproof: IP65 (Camera Part)
Auto Lock: Door sensor
Work with eufy ecosystem: doorbell&cam&Homebase 3
Work with external ecosystem: Alexa/GVA
BHMA: Grade 3

FAQ

What kind of doors are eufy FamiLock S3 Max compatible with?
Which eufy devices and systems are eufy FamiLock S3 Max compatible with?
Does eufy FamiLock S3 Max support external integration with other smart home platforms?
What should be noted when using the palm vein unlocking function?
What is the power supply method of this door lock? What happens if the battery runs out?

How To Video

https://cdn.shopify.com/s/files/1/0504/7094/4954/files/16_9.jpg?v=1740107145
How to install FamiLock S3
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/16_9-1.jpg?v=1740107145
How to install FamiLock S3 Max
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/20250221-110720.jpg?v=1740107291
Principle of Palm Vein Recognition
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/16_9.jpg?v=1740107145
How to install FamiLock S3
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/16_9-1.jpg?v=1740107145
How to install FamiLock S3 Max
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/20250221-110720.jpg?v=1740107291
Principle of Palm Vein Recognition
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/16_9.jpg?v=1740107145
How to install FamiLock S3
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/16_9-1.jpg?v=1740107145
How to install FamiLock S3 Max
https://cdn.shopify.com/s/files/1/0504/7094/4954/files/20250221-110720.jpg?v=1740107291
Principle of Palm Vein Recognition