{"product_id":"ttlock-smart-invisible-bolt-lock-bluetooth-app-ic-card-wooden-door","title":"TTLock Invisible Smart Bolt Lock – App, Bluetooth \u0026 IC Card","description":"\n\u003ch2\u003eTTLock Smart Invisible Electronic Bolt Lock for Wooden Doors\u003c\/h2\u003e\n\u003cp\u003eUpgrade your home's security with the \u003cstrong\u003eTTLock Smart Invisible Bolt Lock\u003c\/strong\u003e — a sleek, concealed electronic door lock designed exclusively for indoor wooden doors. No drilling on the exterior means there are \u003cstrong\u003ezero visible signs of a lock from outside\u003c\/strong\u003e, giving your door a clean, seamless appearance while keeping your space secure. Powered by the trusted TTLock platform, this smart lock works effortlessly with Bluetooth, IC card tap, and the TTLock mobile app. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Smart Lock\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTruly Invisible Installation:\u003c\/strong\u003e The lock installs entirely indoors with no drilling required on the exterior surface — no marks, no holes, no visible hardware from outside.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Unlock Methods:\u003c\/strong\u003e Use your IC card (outdoor tap), one-click indoor button, manual knob, or the TTLock smartphone app — your choice, every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Lock on Close:\u003c\/strong\u003e The magnetic locking mechanism automatically secures the door the moment it closes, so you never have to worry about forgetting to lock up.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLive Voice Broadcasts:\u003c\/strong\u003e Built-in audio alerts keep you informed of lock status and activity in real time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePassage Mode \/ Toggle Mode:\u003c\/strong\u003e Flexible normally-open function lets you set the lock to stay open during busy periods — ideal for home offices or common areas.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Unlock History Logging:\u003c\/strong\u003e Every IC card swipe and app unlock is recorded. Sync via the TTLock app to view a complete activity log from anywhere — perfect for monitoring access.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Battery Alert:\u003c\/strong\u003e Receive a warning before the battery runs out, and the latch automatically releases so you're never locked out during a battery change.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Home Ready:\u003c\/strong\u003e Compatible with \u003cstrong\u003eAmazon Alexa\u003c\/strong\u003e and \u003cstrong\u003eGoogle Assistant\u003c\/strong\u003e via the optional TTLock G2 Gateway (sold separately), enabling voice control and remote access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia-Teco (TTLock Platform)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRX2052-TTLOCK\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant ABS + Stainless Steel Locking Tongue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnlock Methods\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIC Card (outdoor), App (TTLock), Button (indoor), Manual Knob\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC Card Sensing Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLock Body Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e183.4 × 71.4 × 31 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLock Buckle Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 × 30 mm (adjustable height: 21–25 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Door Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × AA Dry Batteries (not included) — approx. 1-year battery life\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePowder Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandle Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirection Reversible\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSmart Home Platforms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAmazon Alexa, Google Assistant (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\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndoor Wooden Doors Only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot Waterproof (indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart Lock Body × 1\u003c\/li\u003e\n  \u003cli\u003eIC Card × 1\u003c\/li\u003e\n  \u003cli\u003eEnglish Instruction Manual × 1\u003c\/li\u003e\n  \u003cli\u003eScrew Pack × 1\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eOptional Add-On: 10 × IC Cards\u003c\/em\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eOptional Add-On: TTLock G2 Gateway (for remote access \u0026amp; voice control)\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThis lock is designed for \u003cstrong\u003eindoor wooden doors up to 60 mm thick\u003c\/strong\u003e. The concealed design means the locking mechanism is hidden entirely within the door frame — no exterior marks or visible hardware. The magnetic closing principle ensures the bolt is only engaged when the tongue and buckle are perfectly aligned, providing reliable, consistent locking every time.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on smart lock security standards and best practices for residential door security, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the TTLock Smart Invisible Bolt Lock work without Wi-Fi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The lock uses Bluetooth to communicate directly with your smartphone via the TTLock app, so Wi-Fi is not required for basic unlocking. However, to enable remote access and voice control through Alexa or Google Assistant, you will need the optional TTLock G2 Gateway connected to your home Wi-Fi network.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this smart bolt lock suitable for metal or glass doors?\u003c\/h4\u003e\n\u003cp\u003eA: No — this lock is designed specifically for \u003cstrong\u003eindoor wooden doors up to 60 mm thick\u003c\/strong\u003e. It is not compatible with metal, glass, or exterior doors, and is not waterproof, so outdoor installation is not recommended.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long do the batteries last, and what happens when they run low?\u003c\/h4\u003e\n\u003cp\u003eA: The lock runs on 4 × AA dry batteries (not included) with an estimated battery life of approximately one year under normal use. When the battery runs low, the lock will trigger a \u003cstrong\u003elow battery audio alert\u003c\/strong\u003e and automatically release the latch, ensuring you're never locked out during a battery replacement.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I share access with family members or guests using the TTLock app?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The TTLock app allows the administrator to issue and manage IC card access as well as app-based eKeys for family members, guests, or temporary visitors. All unlock activity — whether via card or app — is logged and visible to the administrator once the app syncs with the network.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the TTLock Smart Invisible Bolt Lock work without Wi-Fi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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