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The Arpha Smart Door Knob is a keypad-and-fingerprint lock that replaces a standard interior knob and connects wirelessly to an app for remote control. It suits renters and homeowners who want keyless entry on bedrooms, offices or rental units without wiring a deadbolt. Against mainstream smart deadbolts, it is a simpler, knob-style lock with fewer integrations, and owners of similar budget keypad knobs report mixed fingerprint reliability and app polish.
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Lowest price we've seen: $26.98 on Nov 11 at Temu. Tracked across 1 store since Nov 11.
Reception of budget keypad knobs like this is mixed: buyers like keyless convenience and fingerprint entry, but report finicky fingerprint sensors and rough app setup.
The Arpha Smart Door Knob is a wireless smart lock in black. It unlocks and locks with a fingerprint, and it can also be controlled from an app.
