The Aqara Smart Lock U400 is a Matter door locks by Aqara. This device is Matter certified. It works with Home Assistant, Google Home, Apple HomeKit, Amazon Alexa and Homey.
Compatibility
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Frequently asked questions
Is the Aqara Smart Lock U400 compatible with Home Assistant?
Yes — the Aqara Smart Lock U400 is Matter-certified, so it pairs natively with Home Assistant over the built-in Matter integration. No third-party add-on required.
Does the Aqara Smart Lock U400 work with Google Home?
Yes — the Aqara Smart Lock U400 works with Google Home over Matter and can be added directly from the Google Home app's "+" menu. A Matter-capable hub (such as a Nest Hub 2nd gen) is required.
Is the Aqara Smart Lock U400 compatible with Apple Home?
Yes — the Aqara Smart Lock U400 works with Apple Home over Matter. Add it from the Home app using the "+" button; a Matter-capable Apple hub (HomePod mini, HomePod 2nd gen, or Apple TV 4K) is required.
Does the Aqara Smart Lock U400 work with Amazon Alexa?
Yes — the Aqara Smart Lock U400 works with Amazon Alexa over Matter on supported Echo devices (4th gen and newer Echo, Echo Show 8 and 10, etc.). Add it from the Alexa app.
Is the Aqara Smart Lock U400 compatible with Homey?
Yes — the Aqara Smart Lock U400 works with Homey over Matter (supported on Homey Pro running recent firmware).
What protocol does the Aqara Smart Lock U400 use?
The Aqara Smart Lock U400 communicates over Matter. It is also Matter-certified, which extends compatibility to any Matter controller.
Data: matter · Matter certified
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