Aqara · Smart lock
Aqara Smart Lock U400
Hands-free UWB unlocking and Apple Home Key; pairs with the G410 doorbell.
Shopping in Canada · CAD. Local prices and listings only; confirm stock and the exact variant at the store.
The Aqara Smart Lock U400 is a full deadbolt replacement and uses Matter over Thread, so remote access needs a Thread border router. Unlock with uwb, home key, fingerprint, keypad, nfc, app, key and auto unlock.
Specs
| Power | Rechargeable battery |
|---|---|
| Type | Full deadbolt replacement |
| Connectivity | Matter over Thread (needs a Thread border router) |
| Unlock methods | uwb, home key, fingerprint, keypad, nfc, app, key, auto unlock |
| Keypad | Included |
| Works with doorbells | Aqara Smart Doorbell Camera Hub G410 |
| Works with | Apple Home, Google Home, Alexa, SmartThings, Home Assistant, Matter |
Manufacturer specs, not our own tests. Checked 2026-09-15. Source (specs)