Aqara Smart Lock U400
Apple Home Key deadbolt with UWB hands-free unlock and fingerprint scanning
Specifications
- Price
- $269.99
- Device type
- Smart Lock
- Ecosystems
- Apple Home, Google Home, Amazon Alexa, Matter, SmartThings
- Rooms
- Front Door, Back Door
- Connectivity
- Thread, Matter, Bluetooth, UWB
- Hub required
- No
- Rental friendly
- No
- Matter certified
- Yes
- Installation
- DIY
- Energy Star
- No
- Local control
- Yes
- Voice control
- Yes
About
The Aqara U400 is the first smart lock to combine Apple Home Key, Matter-over-Thread, and UWB hands-free unlock in one package. Walk toward your door with your iPhone or Apple Watch and the deadbolt retracts automatically before you touch the handle. A built-in fingerprint sensor unlocks in under a second as a backup, and NFC tap-to-unlock rounds out the entry options. The Aqara Home app provides clean remote access, auto-lock scheduling, and fast local control via Thread.
Pros
- +UWB hands-free auto-unlock with Apple Watch or iPhone
- +Apple Home Key support — no hub needed
- +Matter-over-Thread for fast reliable local control
- +Fingerprint unlock in under one second
- +Undercuts competitors at $269.99
Cons
- −Requires Thread border router for best performance
- −Retrofit-only — no full lock cylinder replacement
- −No built-in camera
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