The new Aqara Smart Lock U400 deadbolt uses ultra-wideband (UWB) technology to unlock your door automatically as you approach ...
Smart home company Aqara today debuted its latest smart lock, the U400. The Aqara Smart Lock U400 incorporates ultra wideband ...
The U400 ($269.99) is the first to support Apple’s Home Key’s hands-free unlocking. This uses the U1 ultra-wideband (UWB) ...
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