Best for Door compatibility (deadbolt fit)
Aqara UWB Smart Lock U400
4.3 feature score
Highest scored product for this feature based on supporting review evidence.
Best Aqara Smart Home for Door compatibility (deadbolt fit)
Door compatibility (deadbolt fit) Decision Dashboard
Safest pick
Aqara U50 Smart Lock
4.0 feature score
Balances feature score, supporting reviews, and overall product strength.
Most evidence
Aqara Smart Lock U100
4 supporting reviews
Has the broadest review evidence for this feature.
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Door fit flexibility was helped by adapters/cross-bore support, with reviewers calling the physical fit detail useful for nonstandard openings.
Pros: Locking reliability, Lock/unlock speed
Cons: Bluetooth, Physical attack resistance
Door fit received positive but limited evidence: one reviewer said it worked in many doors and was not hard to install.
Pros: Access logs, Value and Price
Cons: Warranty and support, Wi-Fi
Fit was strongest on standard deadbolt doors; reviewers praised a perfect fit in one install but warned that other lock types or unusual deadbolts can complicate replacement.
Pros: Lock/unlock speed, Fingerprint
Cons: Keyway quality, Wi-Fi