{"product_id":"yrhand-ttlock-bluetooth-smart-keypad-door-lock-350bl","title":"YRHAND TTlock Bluetooth Keypad Smart Door Lock | App \u0026 Code","description":"\n\u003ch2\u003eYRHAND TTlock Smart Electronic Door Lock – Model 350BL\u003c\/h2\u003e\n\u003cp\u003eUpgrade your home security with the \u003cstrong\u003eYRHAND 350BL Smart Electronic Door Lock\u003c\/strong\u003e. Engineered from durable \u003cstrong\u003ezinc alloy\u003c\/strong\u003e and compatible with the \u003cstrong\u003eTTlock app\u003c\/strong\u003e, this sleek keypad lock gives you complete, keyless control of your door — right from your smartphone. Available in Black and Silver to complement any door style.\u003c\/p\u003e\n\n\u003ch3\u003e4 Flexible Ways to Unlock\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth App (TTlock)\u003c\/strong\u003e – Lock and unlock remotely from your iOS or Android device\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM1 Card\u003c\/strong\u003e – Tap-to-open convenience for household members\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePasscode \/ Keypad\u003c\/strong\u003e – Enter your personal PIN code for fast, hands-free entry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Key\u003c\/strong\u003e – 2 backup keys included for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTTlock App Integration\u003c\/strong\u003e – Manage access, create guest e-keys, set schedules, and monitor entry logs from anywhere\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified\u003c\/strong\u003e – Meets international safety and radio frequency standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZinc Alloy Construction\u003c\/strong\u003e – Robust, tamper-resistant build for long-lasting durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Door Compatibility\u003c\/strong\u003e – Fits wooden doors 38–50 mm thick (contact us for doors over 50 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Powered\u003c\/strong\u003e – Runs on 4 × AA batteries (not included) for easy, wire-free installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Options\u003c\/strong\u003e – Black \/ Silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\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\u003e350BL\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\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\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWooden Door\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38–50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnlock Methods\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth App, M1 Card, Passcode, Mechanical Key\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKeys Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × AA Batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose the YRHAND 350BL?\u003c\/h3\u003e\n\u003cp\u003eWhether you're managing a rental property, running a busy household, or simply want the convenience of going keyless, the YRHAND 350BL delivers a seamless smart-lock experience. Grant temporary access to guests, receive real-time entry notifications, and enjoy the confidence of a CE- and FCC-certified device built to last.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on smart home security best practices, visit the FTC's resource on keeping connected devices secure.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What app does the YRHAND 350BL smart door lock use?\u003c\/h4\u003e\n\u003cp\u003eA: The YRHAND 350BL uses the \u003cstrong\u003eTTlock app\u003c\/strong\u003e, available for free on both iOS and Android. Through the app you can lock\/unlock the door remotely via Bluetooth, issue virtual e-keys to guests with time-limited access, set automatic lock schedules, and review entry history logs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this electronic door lock work on any door type?\u003c\/h4\u003e\n\u003cp\u003eA: The 350BL is designed for \u003cstrong\u003ewooden doors\u003c\/strong\u003e with a thickness of \u003cstrong\u003e38–50 mm\u003c\/strong\u003e. If your door exceeds 50 mm, please contact us before ordering so we can advise on compatibility or provide an extended spindle.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How is the YRHAND smart lock powered, and how long do the batteries last?\u003c\/h4\u003e\n\u003cp\u003eA: The lock is powered by \u003cstrong\u003e4 × AA batteries\u003c\/strong\u003e (not included). Battery life varies with usage frequency, but most users report several months of normal use. The TTlock app will notify you when battery level is low so you can replace them before they run out.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I share access with multiple people?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Via the TTlock app you can create and send \u003cstrong\u003evirtual e-keys\u003c\/strong\u003e to family members, housekeepers, or guests — each with customizable time restrictions (one-time, recurring, or always-on). You can revoke access at any time directly from the app.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if my phone battery dies or Bluetooth is unavailable?\u003c\/h4\u003e\n\u003cp\u003eA: No problem — the 350BL offers three additional entry methods: the \u003cstrong\u003ekeypad passcode\u003c\/strong\u003e, an \u003cstrong\u003eM1 card\u003c\/strong\u003e, or the included \u003cstrong\u003emechanical backup key\u003c\/strong\u003e, so you're never locked out regardless of phone connectivity.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What app does the YRHAND 350BL smart door lock use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The YRHAND 350BL uses the TTlock app, available for free on both iOS and Android. 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