What kind of doors are eufy FamiLock S3 compatible with?

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.

Which eufy devices and systems are eufy FamiLock S3 compatible with?

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.

Does eufy FamiLock S3 support external integration with other smart home platforms?

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.

What should be noted when using the palm vein unlocking function?

You can store palm vein information for 50 family members. The palm vein can only be used to unlock, not to lock.

What is the power supply method of this door lock? What happens if the battery runs out?

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.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition

eufy Security Video Smart Lock FamiLock S3 with Palm Vein Recognition

Product ID: 719185964

Details

Brand
eufy Security
Item dimensions L x W x H
3.07 x 1.22 x
Lock Type
Deadbolt
Material
Metal

📸2K HD camera with 150° ultra-wide view

🔋4 months battery + 1 month backup power

🕒0.6s ultra-fast palm vein unlock

$734.11

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Description

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

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.

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.

Specifications

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

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

$734.11

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews