Is the eufy FamiLock E40 Matter certified?

Yes. MatterCatalog matches it to CSA Matter certificate CSA25D64MAT48310-24, certified Nov 10, 2025.

Does the eufy FamiLock E40 use Thread or Wi-Fi?

Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.

Where can I buy the eufy FamiLock E40?

MatterCatalog has verified store links for it at The Home Depot, Abt Electronics and eufy. Check the current price, model and pack size at the store.

eufyLocks

eufy FamiLock E40

Name: eufy FamiLock E40
Brand: eufy
Price: 299.99 USD

CSA Certified

CSA Matter certified (certificate CSA25D64MAT48310-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.

At a glance: Matter certified: Yes, Nov 10, 2025 · Connectivity: Wi-Fi · Works with: Apple Home, Amazon Alexa, Google Home and Samsung SmartThings · Thread border router: Not needed (uses Wi-Fi)

Independent guide. These are direct, non-affiliate links; we do not earn a commission from them. How our links work

Sold at 3 stores

The Home Depot · Abt Electronics · eufy

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Price at retailer

The Home Depot

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3 stores

The Home Depot

See price at The Home Depot

Direct, non-affiliate link

Check price at The Home Depot

Abt Electronics

See price at Abt Electronics

Direct, non-affiliate linkNotes

Direct non-affiliate link to Abt Electronics's US product page for Eufy Smart Security Lock E40 with Facial Recognition; model/SKU T85M0J11 equals this record's model. Confirm the exact variant, current price and delivery at the retailer.

Check price at Abt Electronics

eufy

See price at eufy

Direct, non-affiliate linkNotes

Direct non-affiliate link to eufy's US product page for eufy Smart Lock E40; model/SKU T85M0J11 equals this record's model. Confirm the exact variant, current price and delivery at the retailer.

Check price at eufy

Check the model, region and pack size at the retailer. Prices and availability are confirmed there.

CSA Matter Certified

Certificate: CSA25D64MAT48310-24

eufy FamiLock E40 is a smart lock. It is listed as connecting over Wi-Fi. It is CSA Matter certified (November 10, 2025), so it works with Matter apps such as Apple Home, Google Home, Alexa and SmartThings; supported features vary by app.

Wi-Fi

Specifications

Brand: eufy
Category: Locks
Protocols: Wi-Fi
Certificate ID: CSA25D64MAT48310-24
Certified: Nov 10, 2025
Firmware: V1.0.1.0

Ecosystem compatibility

Matter

Apple Home

Alexa

Google Home

SmartThings

Quick answers

Is the eufy FamiLock E40 Matter certified?: Yes. MatterCatalog matches it to CSA Matter certificate CSA25D64MAT48310-24, certified Nov 10, 2025.
Which smart home platforms does the eufy FamiLock E40 work with?: MatterCatalog lists Apple Home, Amazon Alexa, Google Home and Samsung SmartThings. Controls can differ from app to app.
Does the eufy FamiLock E40 use Thread or Wi-Fi?: Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
Where can I buy the eufy FamiLock E40?: MatterCatalog has verified store links for it at The Home Depot, Abt Electronics and eufy. Check the current price, model and pack size at the store.

From this product’s catalog record, not hands-on testing. Editorial policy

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eufy FamiLock E40

CSA certified · Non-affiliate link

Check price at The Home Depot