{"product_id":"keyless-entry-smart-mechanical-door-lock-zinc-alloy","title":"Keyless Entry Smart Mechanical Door Lock | No Battery Needed","description":"\n\u003ch2\u003eKeyless Entry Smart Mechanical Door Lock\u003c\/h2\u003e\n\u003cp\u003eUpgrade your home security with this \u003cstrong\u003eSmart Mechanical Door Lock\u003c\/strong\u003e — a battery-free, keyless entry solution built from durable \u003cstrong\u003ezinc alloy\u003c\/strong\u003e. No power source needed, no keys to lose, and no worries about dead batteries. Simply set your personal code and enjoy reliable, convenient access to your home every single day.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for both \u003cstrong\u003eindoor and outdoor doors\u003c\/strong\u003e, this lock features a fully \u003cstrong\u003ewaterproof construction\u003c\/strong\u003e that stands up to splashes, rain, and everyday wear. Whether you're securing a front door, back door, or interior room, this lock delivers solid performance and a sleek, modern look.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Required\u003c\/strong\u003e — 100% mechanical operation; never get locked out due to a dead battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeyless Digital Entry\u003c\/strong\u003e — set your own personal access code for quick, easy entry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof Design\u003c\/strong\u003e — suitable for indoor and outdoor doors in all weather conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Zinc Alloy Construction\u003c\/strong\u003e — robust, corrosion-resistant material built to last\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplicable Door Thickness:\u003c\/strong\u003e 30–60mm (1.2–2.4 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Bolt Center Distance:\u003c\/strong\u003e 60mm (2.4 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Theft Security\u003c\/strong\u003e — reinforced lock box and catch for added protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Front Panel\u003c\/li\u003e\n  \u003cli\u003e1 × Rear Panel\u003c\/li\u003e\n  \u003cli\u003e1 × Installation Accessory Pack\u003c\/li\u003e\n  \u003cli\u003e1 × Lock Box\u003c\/li\u003e\n  \u003cli\u003e1 × Lock Catch\u003c\/li\u003e\n  \u003cli\u003e2 × Rubber Pad\u003c\/li\u003e\n  \u003cli\u003e1 × Lock Bolts (2.4 in)\u003c\/li\u003e\n  \u003cli\u003e1 × Instruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eHomeowners, renters, and anyone who wants a smart, modern upgrade to their door security without the hassle of keys, wiring, or battery replacements. Makes a great gift for new homeowners or anyone looking to streamline their daily routine.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/gold-silver-drawstring-jewelry-gift-bags-pouches-50pcs\"\u003e50pcs Gold \u0026amp; Silver Drawstring Jewelry Gift Bags 7x9 9x12cm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How does the keyless mechanical door lock work without a battery?\u003c\/h4\u003e\n\u003cp\u003eA: This smart mechanical door lock operates entirely on a push-button mechanical mechanism — no electricity, wiring, or batteries required. You simply set your personal numeric code using the built-in keypad, and the lock engages or disengages through a precision zinc alloy internal mechanism. It's reliable, low-maintenance, and always ready to use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What door thickness is compatible with this keyless entry lock?\u003c\/h4\u003e\n\u003cp\u003eA: This lock is compatible with doors ranging from \u003cstrong\u003e30mm to 60mm\u003c\/strong\u003e (approximately 1.2 to 2.4 inches) in thickness. The standard bolt center distance is 60mm (2.4 in), making it suitable for most standard residential and commercial doors, both indoor and outdoor.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this door lock weatherproof enough for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The lock features a \u003cstrong\u003ewaterproof design\u003c\/strong\u003e that resists splashes and rain, making it well-suited for exterior doors, gates, and outdoor entryways. The zinc alloy body is also resistant to corrosion, ensuring long-lasting performance in varying weather conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes everything you need for installation: 1 Front Panel, 1 Rear Panel, 1 Installation Accessory Pack, 1 Lock Box, 1 Lock Catch, 2 Rubber Pads, 1 Lock Bolt (2.4 in), and 1 Instruction Manual. No additional hardware purchases are typically needed for standard door installations.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How does the keyless mechanical door lock work without a battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This smart mechanical door lock operates entirely on a push-button mechanical mechanism — no electricity, wiring, or batteries required. You simply set your personal numeric code using the built-in keypad, and the lock engages or disengages through a precision zinc alloy internal mechanism. 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