The newly launched Aqara U400 is the first — and so far only — smart lock with Ultra Wideband Home Key support, and after using it for the past month, I don't think I can go back.

If you have your iPhone or Apple Watch with Home Key enabled, just walk up to the door and U400 unlocks. The new Aqara Smart Lock U400 deadbolt uses ultra-wideband technology to unlock your door ...

Aqara’s new U400 smart lock is the first to use Apple’s UWB-based hands-free unlocking, and it works every time, even with full hands. If you buy something from a Verge link, Vox Media may earn a ...