{"product_id":"fingerprint-door-lock-door-knob-with-keypad-keyless-entry-fast","title":"Fingerprint Door Lock Door Knob with Keypad Keyless Entry - Fast","description":"\u003cp\u003eIn this review of the IRONZON fingerprint door lock, the bottom line is simple: this is a practical keyless knob for homeowners or renters who want quick, no-wiring access and multiple unlocking options. Installation is genuinely DIY for standard US doors and the lock's main appeal is convenience - a combination of \u003cstrong\u003efingerprint\u003c\/strong\u003e, anti-peep virtual password and physical key means you can stop worrying about lost keys. The fingerprint reader advertises fast recognition and the unit supports up to 50 fingerprints, which is ideal for small households or short-term rentals.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e3-in-1 unlocking:\u003c\/strong\u003e Fingerprint, anti-peep virtual password and a physical key give flexible entry methods for different situations.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast fingerprint access:\u003c\/strong\u003e The reader claims a recognition rate up to 98% and can open the door in about one second when it works properly.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMultiple user support:\u003c\/strong\u003e You can register up to 50 fingerprints, making it suitable for family homes or properties with frequent guests.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDIY installation:\u003c\/strong\u003e Fits US standard doors with backsets of 2-3\/8 in or 2-1\/8 in and door thickness from 1-3\/8 in to 2-1\/8 in, requiring no wiring or drilling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEmergency power options:\u003c\/strong\u003e Runs on 4 AAA batteries with a low battery reminder and a Type-C port for emergency charging if cells die.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe IRONZON keypad knob is best for homeowners, apartment renters, landlords of short-term rentals and office rooms where a simple, modern keyless solution is desired. It suits users who prioritize ease of installation and multiple entry options, and who want a compact lock without the complexity of hardwired systems.\u003c\/p\u003e\n\u003cp\u003eThose who need industrial-grade durability, extensive remote features or long battery life under heavy daily use may want to consider other options. Also, buyers who rely entirely on biometric access should be aware that fingerprint performance can vary by user and environment.\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\u003eStraightforward \u003cstrong\u003eDIY installation\u003c\/strong\u003e that fits common US door measurements without wiring.\u003c\/li\u003e\n \u003cli\u003eMultiple unlocking methods reduce the risk of lockouts if one method fails.\u003c\/li\u003e\n \u003cli\u003eSupports up to 50 fingerprints, useful for families or guest access management.\u003c\/li\u003e\n \u003cli\u003eEmergency Type-C charging adds a useful backup to battery power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eFingerprint recognition receives mixed reports and can fail to read prints reliably for some users.\u003c\/li\u003e\n \u003cli\u003eBattery life may be a concern for heavy usage despite the low battery reminder.\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\u003eKeypad fingerprint door knob\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUnlock methods\u003c\/td\u003e\n\u003ctd\u003eFingerprint, anti-peep virtual password, physical key\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\u003eDoor compatibility\u003c\/td\u003e\n\u003ctd\u003eBackset 2-3\/8 in (60 mm) and 2-1\/8 in (70 mm); thickness 1-3\/8 in to 2-1\/8 in (35 mm-55 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e4 AAA batteries; Type-C emergency charging\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eNo wiring, no drilling; fits left or right handed doors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe IRONZON fingerprint door knob is a practical, value-oriented choice for households and small rental properties that need simple keyless access and easy installation. It combines several convenient entry methods and a clear installation fit for US doors, making it good value for buyers who want convenience more than advanced enterprise features. Prospective buyers should check fingerprint performance for their users before relying on it as the sole entry method.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this lock be installed on a standard US interior door?\u003c\/strong\u003e\u003cbr\u003eYes. It fits backsets of 2-3\/8 in and 2-1\/8 in and door thicknesses from 1-3\/8 in to 2-1\/8 in with no wiring required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many fingerprints can be stored?\u003c\/strong\u003e\u003cbr\u003eThe lock supports up to 50 fingerprint profiles, which is suitable for families and small rental situations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the batteries die?\u003c\/strong\u003e\u003cbr\u003eThe knob uses 4 AAA batteries and warns when battery is low; there is also a Type-C port for emergency charging to regain access.\u003c\/p\u003e","brand":"IRONZON","offers":[{"title":"Default Title","offer_id":48187350974683,"sku":"B098L4XCCP","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61fY_eWVcRL._AC_SL1500.jpg?v=1769482854","url":"https:\/\/gearmusthave.com\/products\/fingerprint-door-lock-door-knob-with-keypad-keyless-entry-fast","provider":"GearMustHave","version":"1.0","type":"link"}