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Best feature-rich UWB lock

Aqara Smart Lock U400

Smart LocksRechargeable batteryNo subscription required

A Matter deadbolt combining UWB approach unlock, fingerprint access and broad ecosystem support.

What stands out

  • UWB hands-free unlock
  • Fingerprint, home key, keypad and physical key
  • Matter over Thread and IP65 exterior panel

What to watch for

UWB unlocking requires compatible devices and a Thread-enabled home hub.

Specifications and ownership

Key specifications for Aqara Smart Lock U400
CategorySmart Locks
Best forBest feature-rich UWB lock
PowerRechargeable battery
StorageCredentials stored and managed locally/app
SubscriptionNo subscription required
Works withMatter over Thread, Apple Home, Alexa, Google Home, SmartThings, Home Assistant

Researched from manufacturer documentation and current product listings. Last reviewed July 24, 2026. Specifications change without notice — confirm details with the manufacturer before buying. How we review.

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