{"product_id":"yrhand-smart-cabinet-lock-app-keypad-rfid-bluetooth","title":"YRHAND Smart Cabinet Lock – APP, Keypad \u0026 RFID Access","description":"\n\u003ch2\u003eYRHAND Smart Cabinet Lock (Model A820-CT) — Keypad, RFID Card, Bluetooth \u0026amp; APP Control\u003c\/h2\u003e\n\u003cp\u003eUpgrade your home, office, or rental property security with the \u003cstrong\u003eYRHAND A820-CT Smart Cabinet Lock\u003c\/strong\u003e. Built from durable aluminum alloy and packed with intelligent features, this lock delivers four convenient unlocking methods — keypad password, RFID card, Bluetooth, and smartphone APP — so you're never locked out and always in control.\u003c\/p\u003e\n\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Ways to Unlock:\u003c\/strong\u003e Keypad password, Mifare1 RFID card, Bluetooth (within 5 m, no internet needed), and smartphone APP — choose the method that suits the moment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Authentication Mode:\u003c\/strong\u003e Combine any two unlocking methods (e.g. APP + password, APP + card, or password + card) for a double layer of security on your most sensitive drawers, cabinets, or safes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote \u0026amp; Smart Home Access:\u003c\/strong\u003e Connect via a compatible gateway for global remote control. Works with \u003cstrong\u003eAmazon Alexa\u003c\/strong\u003e and \u003cstrong\u003eGoogle Assistant\u003c\/strong\u003e for seamless voice integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemporary Passwords \u0026amp; Cards:\u003c\/strong\u003e Issue time-limited credentials for visitors, guests, or short-term rental tenants — revoke access instantly from the app with no key handover required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilent Mode:\u003c\/strong\u003e One-tap switch to silent operation — ideal for late-night access or quiet environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Security Alerts:\u003c\/strong\u003e Triggers a 30-second audible alarm after 4 consecutive incorrect password or card attempts. Low-battery warning (8 beeps + indicator flash) ensures you're never caught off guard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType-C Emergency Power:\u003c\/strong\u003e Built-in Type-C port lets you power the lock externally if batteries are depleted.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e Runs on 3 AA alkaline batteries for approximately 12 months per charge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits Most Cabinet Doors:\u003c\/strong\u003e Compatible with wooden door\/panel thicknesses of 9–22 mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified\u003c\/strong\u003e — meets international safety and electromagnetic compliance standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCore Functions at a Glance\u003c\/h3\u003e\n\u003ch4\u003eDiversified Unlocking\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle-method: password only, RFID card only, Bluetooth only, or APP only\u003c\/li\u003e\n  \u003cli\u003eDual-authentication (choose any two for added security)\u003c\/li\u003e\n  \u003cli\u003eTemporary password\/card generation for flexible visitor access\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIntelligent APP Control\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-tap unlock; long-press to lock immediately\u003c\/li\u003e\n  \u003cli\u003eBluetooth range: up to 5 m (no Wi-Fi needed)\u003c\/li\u003e\n  \u003cli\u003eFull remote access when paired with gateway (control from anywhere)\u003c\/li\u003e\n  \u003cli\u003ePermission management — assign, edit, and revoke user access easily\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSecurity Alert System\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e30-second alarm on repeated incorrect entries (4 failed attempts)\u003c\/li\u003e\n  \u003cli\u003eLow-voltage warning with audible and visual indicators\u003c\/li\u003e\n  \u003cli\u003eSilent mode for discreet operation at any hour\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHome Drawers \u0026amp; Cabinets:\u003c\/strong\u003e Protect valuables, important documents, or medications with dual authentication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Term Rentals \u0026amp; Homestays:\u003c\/strong\u003e Issue and revoke temporary codes remotely — no physical key exchange needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOffices \u0026amp; Shops:\u003c\/strong\u003e Grant tiered staff access, and cancel credentials instantly when employees leave.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePersonal Safes:\u003c\/strong\u003e Add a smart layer to your existing safe or secure storage box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA820-CT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 × AA Alkaline Batteries (~12 months) + Type-C Emergency Port\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0 (low power); Wi-Fi via Gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMifare1 High-Frequency RFID Card\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSmart Home\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAmazon Alexa, Google Assistant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9–22 mm wooden panels\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\u003eCountry of Origin\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\u003cp\u003eFor general guidance on evaluating smart home security devices, 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 YRHAND A820-CT smart cabinet lock require Wi-Fi to work?\u003c\/h4\u003e\n\u003cp\u003eA: No. The lock operates via Bluetooth 5.0 within a 5-meter range without any internet connection. Wi-Fi and full remote access (from anywhere in the world) require an optional compatible gateway device.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I grant temporary access to a visitor or guest?\u003c\/h4\u003e\n\u003cp\u003eA: Through the YRHAND smartphone app, you can generate a time-limited temporary password or temporary RFID card credential. You set the expiry, and access is automatically revoked when the time period ends — or you can cancel it manually at any time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if the batteries run out?\u003c\/h4\u003e\n\u003cp\u003eA: The lock provides a low-battery warning (8 beeps and a flashing indicator light) well in advance. If batteries are fully depleted before replacement, you can use the built-in \u003cstrong\u003eType-C emergency power port\u003c\/strong\u003e to externally power the lock and regain entry.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the YRHAND smart lock compatible with Alexa and Google Assistant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The A820-CT supports both Amazon Alexa and Google Assistant for voice-controlled locking and unlocking, provided the lock is connected via a compatible gateway.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What door or cabinet thickness is compatible with this lock?\u003c\/h4\u003e\n\u003cp\u003eA: The lock is designed for wooden doors or panels with a thickness of \u003cstrong\u003e9–22 mm\u003c\/strong\u003e. 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