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.

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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

R$5875

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Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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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	#8,866 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #52 in Deadbolts
Brand	eufy Security
Brand Name	eufy Security
Color	Black
Connectivity Protocol	Wi-Fi
Control Method	App
Controller Type	Apple HomeKit, Amazon Alexa, SmartThings, iOS, Android
Customer Reviews	4.0 out of 5 stars 297 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 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
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 Items	1
Number of Packs	1
Number of Pieces	1
Recommended Uses For Product	Securing residential front doors
Shape	Rectangular
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 Name	Palm Vein + Video
UPC	194644232672
Unit Count	1 Count

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R$5875

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered 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 Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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