eufy Smart Lock C34 (US): what it works with
eufy · model Smart Lock C34 · For the US and Canada
- Matter Yes, over Thread
- Apple Home Via Matter
- Google Home Yes
- Amazon Alexa Yes
- SmartThings Via Matter
- Home Assistant Unconfirmed
The C34 from eufy joins Apple Home and SmartThings through Matter over Thread, while Alexa and Google Home connect by linking your eufy account. It is a keypad deadbolt for standard US doors with built-in Wi-Fi, running on eight AA batteries rated up to 8 months. Home Assistant is not confirmed.
Checked against 10 sources on
Ecosystem compatibility
| Platform | Works? | Details |
|---|---|---|
| Matter | Yes, over Thread | CSA lists the eufy Smart Lock C34 from Anker Innovations (Matter 1.2, certified 2024-06-27, firmware V1.0.0.0, hardware V3), Matter over Thread.[10] Other Matter smart locks |
| Apple Home | Via Matter | Matter over Thread. eufy says iOS 18 can add Matter devices without a hub, but remote control needs a HomePod, HomePod mini or Apple TV 4K.[6],[7],[8] |
| Google Home | Yes | eufy documents linking the eufy account to Google Assistant for the C34/E30. Matter also works with a Matter-capable Nest hub.[8],[9] |
| Amazon Alexa | Yes | eufy documents linking the eufy account in the Alexa app for the C34/E30. Matter also works with a Matter-enabled Echo.[8],[9] |
| SmartThings | Via Matter | eufy's Matter FAQ says SmartThings needs a Matter hub; its hub list for Thread models (incl. T85D2, the C34) names SmartThings Station, Hub v3 and Dongle.[6],[7] |
| Home Assistant | Unconfirmed | No Home Assistant docs page or eufy source names this lock. As Matter over Thread it may work through the Matter integration, unconfirmed. |
“Via Matter” means you add it with that platform's Matter controller instead of a brand skill or app. “Unconfirmed” means we couldn't find an official source either way. How we verify.
Specs that matter for setup
- Hub required
- No[1]
- Local control
- Unconfirmed
- Radio: CSA lists Thread and Bluetooth as Matter transport interfaces; eufy's product page and the CSA listing describe built-in Wi-Fi for the eufy app.
- Hub: eufy's product page says no additional hub is required; built-in Wi-Fi connects the lock to the eufy app. Matter platforms need a Matter controller with a Thread border router.
- Local control: No eufy source describes local-only control.
- Fit: Replaces a standard deadbolt: eufy lists a 38-54 mm cross bore, 60 or 70 mm backset and 35-55 mm door thickness.
- Keypad: Passcode keypad on the lock. Unlike the E30, no fingerprint reader is listed.
- Power: Eight AA batteries; eufy rates up to 8 months at about 10 unlocks a day.
Before you buy
- Matter control needs a Thread border router such as a HomePod mini, Apple TV 4K, or a Matter-capable Nest hub, Echo or SmartThings hub.
- Apple Home remote control needs a home hub even though iOS 18 can add the lock without one.
- Eight AA batteries are needed.
Quick answers
- Does the eufy Smart Lock C34 (US) work with Apple Home?
- Yes, through Matter: add it with Apple Home's Matter pairing. It uses Thread, so you also need a Thread border router. Matter over Thread. eufy says iOS 18 can add Matter devices without a hub, but remote control needs a HomePod, HomePod mini or Apple TV 4K. More smart locks for Apple Home
- Does the eufy Smart Lock C34 (US) work with Google Home?
- Yes. The eufy Smart Lock C34 (US) works with Google Home directly. eufy documents linking the eufy account to Google Assistant for the C34/E30. Matter also works with a Matter-capable Nest hub. More smart locks for Google Home
- Does the eufy Smart Lock C34 (US) work with Amazon Alexa?
- Yes. The eufy Smart Lock C34 (US) works with Amazon Alexa directly. eufy documents linking the eufy account in the Alexa app for the C34/E30. Matter also works with a Matter-enabled Echo. More smart locks for Amazon Alexa
- Does the eufy Smart Lock C34 (US) work with SmartThings?
- Yes, through Matter: add it with SmartThings' Matter pairing. It uses Thread, so you also need a Thread border router. eufy's Matter FAQ says SmartThings needs a Matter hub; its hub list for Thread models (incl. T85D2, the C34) names SmartThings Station, Hub v3 and Dongle. More smart locks for SmartThings
- Does the eufy Smart Lock C34 (US) work with Home Assistant?
- Not confirmed. We couldn't find an official source either way. No Home Assistant docs page or eufy source names this lock. As Matter over Thread it may work through the Matter integration, unconfirmed.
Sources
- eufy Smart Lock C34 — eufy manufacturer · accessed Oct 11, 2026
- Smart Lock C34/E30: How Long Do the Batteries Last? — eufy manufacturer · accessed Oct 11, 2026
- Smart Lock C34/E30: Door Compatibility Requirements — eufy manufacturer · accessed Oct 11, 2026
- Smart Lock C34/E30: Installation Guidance for Door Frame with a Deadbolt Spacer — eufy manufacturer · accessed Oct 11, 2026
- Smart Lock C34/E30: Is There a Default Passcode? — eufy manufacturer · accessed Oct 11, 2026
- eufy Smart Locks' Matter Functionality FAQ — eufy manufacturer · accessed Oct 11, 2026
- Which hubs are compatible with Matter integration? — eufy manufacturer · accessed Oct 11, 2026
- Smart Lock C34/E30: How do I add my Smart Lock to Apple HomeKit, Amazon Alexa or Google Assistant — eufy manufacturer · accessed Oct 11, 2026
- Smart Lock C34/E30: How to Use Voice Commands to Unlock Smart Lock with Amazon Alexa or Google Assistant — eufy manufacturer · accessed Oct 11, 2026
- eufy Smart Lock C34 - CSA-IOT — Connectivity Standards Alliance certification · accessed Oct 11, 2026
Official product page: www.eufy.com