Tapo has announced a new smart door lock at CES, a palm-scanning one. The name of the product is the Tapo PalmKey smart door lock. While its palm-scanning feature is front and center, that’s not the ...

This fingerprint-scanning door lock is affordable and simple to set up, but it’s too buggy and probably too arcane for most users. Fingerprint-reading door locks aren’t known for their affordability, ...

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This simpler and less expensive version of Lockin’s flagship smart lock drops the integrated camera—mostly for the best. Lockin was a pioneer with the palm vein scanning feature on its Veno Pro Palm ...