{"product_id":"fingerprint-door-knob-smart-lock-app-control-and-keyless-security","title":"Fingerprint Door Knob Smart Lock - App Control and Keyless Security","description":"\u003cp\u003eOur review of this fingerprint door knob finds it best suited to homeowners who want a straightforward, keyless way to secure bedrooms, apartments, or interior entryways. The single biggest reason to buy is the combination of three unlocking modes and local biometric storage, which gives simple, private access without sending data to the cloud. Installation is basic and the rechargeable battery and USB charging add convenience, so this model performs well where moderate security and ease of use are priorities.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Modes:\u003c\/strong\u003e Passage, entrance and privacy modes are easy to switch by rotating the thumbprint sensor, so you can change access behavior quickly for different rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiometric Storage:\u003c\/strong\u003e The lock stores up to 50 fingerprints locally, allowing multiple household members reliable, fast access without online syncing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp Control:\u003c\/strong\u003e Bluetooth app management lets the owner add fingerprints, view unlocking records and toggle privacy mode when they are in Bluetooth range for convenient local control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Key:\u003c\/strong\u003e Traditional physical keys are included so the lock still operates if battery power is depleted or remote access is not available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable Battery:\u003c\/strong\u003e A built-in 400mAh battery charges in 3 to 4 hours via USB A to Type-C and includes a low-battery alarm to avoid unexpected downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Lock:\u003c\/strong\u003e A 5s auto-locking feature helps ensure the door secures itself after entry, reducing the chance of accidentally leaving a door unlocked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis lock is a good fit for renters and homeowners who need a simple, smart upgrade for interior doors or entry doors that fit US standard dimensions and who value local biometric privacy over cloud services. It is especially convenient for bedrooms or apartments where quick, keyless access and a physical key backup are both important.\u003c\/p\u003e\n\u003cp\u003eThose who need remote Wi-Fi control should note the lock requires a separately purchased gateway for Wi-Fi access, and buyers seeking heavy-duty, high-end commercial hardware may prefer a more robust metal deadbolt solution.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy installation with common tools and compatibility with most US doors.\u003c\/li\u003e\n\u003cli\u003eReliable fingerprint recognition with storage for up to 50 fingerprints for household use.\u003c\/li\u003e\n\u003cli\u003eConvenient rechargeable battery with visible power display and low-battery alert.\u003c\/li\u003e\n\u003cli\u003eCombination of app control, fingerprint unlocking and traditional keys covers multiple access scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurability opinions vary among users, with some reporting a less solid feel compared with heavier locks.\u003c\/li\u003e\n\u003cli\u003eApp control is limited to Bluetooth range unless a separate gateway is purchased for Wi-Fi access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFingerprint door knob smart lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFingerprint Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 50 fingerprints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 400mAh rechargeable battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging\u003c\/td\u003e\n\u003ctd\u003eUSB A to Type-C, 3 to 4 hours charge time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Lock\u003c\/td\u003e\n\u003ctd\u003e5s auto-lock feature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccess Modes\u003c\/td\u003e\n\u003ctd\u003ePassage, entrance, privacy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp Control\u003c\/td\u003e\n\u003ctd\u003eBluetooth app (Wi-Fi via separate gateway)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe fingerprint door knob is a practical, value-focused choice for residential interiors and apartments that need keyless convenience with local biometric privacy. It pairs useful features like multiple access modes, a rechargeable battery and app management for Bluetooth range, making it a sensible upgrade for most homes-while those needing heavy-duty commercial hardware or built-in Wi-Fi should consider other options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the lock be operated without the app?\u003c\/strong\u003e\u003cbr\u003eThe lock supports fingerprint, thumb rotation modes and physical keys for full operation without the app; the app adds management convenience over Bluetooth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery take to charge and how is low power indicated?\u003c\/strong\u003e\u003cbr\u003eThe internal 400mAh battery charges in about 3 to 4 hours via USB A to Type-C and the unit provides a visual power display plus a low-battery alarm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the lock send fingerprints to the cloud?\u003c\/strong\u003e\u003cbr\u003eNo, fingerprints are stored locally on the lock and are not uploaded to the cloud to protect family privacy.\u003c\/p\u003e","brand":"JO.KO","offers":[{"title":"Default Title","offer_id":48234716037339,"sku":"B0BMPDDZYB","price":38.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61amrLDAnJL._AC_SL1500.jpg?v=1770661732","url":"https:\/\/gearmusthave.com\/products\/fingerprint-door-knob-smart-lock-app-control-and-keyless-security","provider":"GearMustHave","version":"1.0","type":"link"}