{"product_id":"yrhand-ttlock-waterproof-biometric-fingerprint-smart-door-lock","title":"YRHAND TTlock Biometric Fingerprint Smart Door Lock | IP66","description":"\n\u003ch2\u003eYRHAND TTlock Waterproof Biometric Fingerprint Smart Door Lock — Model M1BL\u003c\/h2\u003e\n\u003cp\u003eTake full control of your home's security with the YRHAND TTlock Smart Door Lock. This advanced biometric lock combines fingerprint recognition, Bluetooth app control, keypad codes, IC card access, and a traditional mechanical key into one sleek, weatherproof package. Whether you're securing a family home, apartment, school, or office, this intelligent lock delivers effortless access and robust protection 24\/7.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e🔐 7 Ways to Unlock — Your Choice, Every Time\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFingerprint:\u003c\/strong\u003e Store up to 100 fingerprints for fast, touch-based entry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTTlock App:\u003c\/strong\u003e Lock and unlock remotely from your smartphone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePasscode \/ Keypad:\u003c\/strong\u003e Unlimited code user capacity for families, guests, and staff\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIC Card \/ Wristband:\u003c\/strong\u003e Supports up to 200 IC card users — 5 smart cards \u0026amp; 2 wristbands included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Key:\u003c\/strong\u003e Classic backup key access whenever needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e Seamless proximity unlock via BLE 4.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Control via Gateway (sold separately):\u003c\/strong\u003e Connect to Wi-Fi with an optional gateway for full remote access, Google Assistant, and Alexa compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📱 Powered by the TTlock App\u003c\/h3\u003e\n\u003cp\u003eThe TTlock App (Android 4.3+ \/ iOS 7.0+) puts complete control at your fingertips:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSend temporary passcodes and eKeys remotely to guests or contractors\u003c\/li\u003e\n  \u003cli\u003eManage all user codes and access cards from one dashboard\u003c\/li\u003e\n  \u003cli\u003eView detailed access logs and unlock history\u003c\/li\u003e\n  \u003cli\u003eSet passage mode and scheduled auto-lock\u003c\/li\u003e\n  \u003cli\u003eTime \u0026amp; attendance tracking support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🌧️ Built to Last — IP66 Weatherproof Rating\u003c\/h3\u003e\n\u003cp\u003eRated IP66, this lock withstands heavy rain, dust, and harsh outdoor conditions — ideal for exterior doors of all types. The zinc alloy and toughened glass construction is engineered to be saw-resistant, pull-resistant, pry-resistant, and anti-theft.\u003c\/p\u003e\n\n\u003ch3\u003e🔋 Long-Lasting Battery Power\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePowered by 8 × AA alkaline batteries (not included) for exceptional standby life\u003c\/li\u003e\n  \u003cli\u003eLow battery alarm alerts you before power runs out\u003c\/li\u003e\n  \u003cli\u003eUSB backup power port ensures you're never locked out during a battery change\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🛡️ Advanced Security Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTamper alarm: triggers an alert and sends a notification if the lock is forcibly handled\u003c\/li\u003e\n  \u003cli\u003eElectromagnetic interference shielding to block external attack devices\u003c\/li\u003e\n  \u003cli\u003eGrade C blade cylinder for high-security key cylinder protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 Flexible Installation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with door thickness: 45–120 mm (1.77–4.72 inches)\u003c\/li\u003e\n  \u003cli\u003eAdjustable handle direction: left pull, left push, right pull, right push\u003c\/li\u003e\n  \u003cli\u003eFits standard 6068 mortise — contact seller for other mortise types\u003c\/li\u003e\n  \u003cli\u003eSuitable for wooden doors, security doors, fire-proof doors, and stainless doors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFront panel × 1\u003c\/li\u003e\n  \u003cli\u003eRear panel × 1\u003c\/li\u003e\n  \u003cli\u003eMortise lock × 1\u003c\/li\u003e\n  \u003cli\u003eSmart card × 5\u003c\/li\u003e\n  \u003cli\u003eM1 Wristbands × 2\u003c\/li\u003e\n  \u003cli\u003eMechanical Key × 2\u003c\/li\u003e\n  \u003cli\u003eScrew kit × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚙️ Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYRHAND\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM1BL\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBLE 4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFingerprint Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 users\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC Card Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 users\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode User Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnlimited\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc Alloy \u0026amp; Toughened Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66 Weatherproof\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 × AA Alkaline Batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45–120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Mortise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6068\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSmart Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGoogle Assistant (via gateway), Alexa (via gateway)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, FCC, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApp Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAndroid 4.3+ \/ iOS 7.0+\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Wi-Fi connectivity and voice assistant integration require an optional TTlock Gateway (sold separately).\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more information on home security best practices, visit the U.S. Consumer Product Safety Commission (CPSC) Home Safety Guide.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the YRHAND TTlock Smart Lock work without Wi-Fi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This smart door lock works fully via Bluetooth (BLE 4.0), fingerprint, keypad code, IC card, and mechanical key — all without Wi-Fi. An optional TTlock Gateway (sold separately) adds Wi-Fi connectivity and enables remote smartphone control, Google Assistant, and Alexa voice command support from anywhere.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many fingerprints and user codes can this smart lock store?\u003c\/h4\u003e\n\u003cp\u003eA: The YRHAND M1BL biometric smart lock stores up to 100 fingerprints and up to 200 IC cards. Keypad passcode user capacity is unlimited, making it ideal for households, rental properties, offices, and shared spaces with many users.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this smart lock weatherproof enough for an outdoor front door?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This lock carries an IP66 weatherproof rating, meaning it is fully protected against powerful water jets and heavy dust ingress. The zinc alloy and toughened glass construction is also engineered to resist sawing, pulling, and prying — making it well-suited for any exterior door application.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if the batteries die — am I locked out?\u003c\/h4\u003e\n\u003cp\u003eA: No. The lock features a built-in USB backup power port so you can temporarily supply power from an external USB power bank to unlock the door. There is also a low battery alarm that alerts you in advance so you can replace the 8 × AA batteries before power runs out. Additionally, 2 mechanical keys are included as a traditional backup entry method.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the YRHAND TTlock Smart Lock work without Wi-Fi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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