I. Core Security & Convenience Full-Automatic Locking Mechanism Locks automatically when the door is closed, no manual operation required, providing instant security protection. Supports dual locking modes : default auto-locking mode and normal open mode (convertible to a regular door handle, ideal for elderly/children with frequent access). Maintenance-Free Mechanical Structure No power supply or wires needed, completely eliminating the risk of electronic device failures, suitable for complex outdoor environments like courtyards. Double-sided symmetrical design prevents violent opening from the outside, optimized for high-security scenarios. II. Flexible Adaptability & Installation Multi-Size Compatibility Fits door thicknesses from 1.4 inches to 2.5 inches (35-65mm) , covering most residential/commercial doors. Comes with 4 sets of spindles and screws in different lengths (2.1"/55mm, 2.4"/63mm, 2.7"/71mm, 3.1"/79mm), no additional accessories needed for installation. Quick Replacement Design Adjustable door handle + push-pull latch structure (2.3"/60mm or 2.7"/70mm), enabling old lock replacement within 10 minutes. Extra-large backing plate (6.2×2.5 inches/160×65mm) hides installation holes, keeping the door neat and aesthetic. III. Durability & Material Military-Grade Material & Craftsmanship Main body made of zinc alloy die-casting with multi-layer electroplated coating, corrosion-resistant and scratch-resistant, capable of withstanding extreme temperatures from -20℃ to 70℃. Lock cylinder passed 100,000 opening-closing tests, service life far exceeding industry standards, suitable for long-term outdoor use. IV. Humanized Details Mute Buffer Design Built-in spring buffer in the latch reduces noise when closing the door, avoiding disturbing family members. Anti-slip texture on the password dial, allowing easy operation even with gloves or in humid environments. V. Installation Accessories List 4 sets of spindles (2.1"/55mm, 2.4"/63mm, 2.7"/71mm, 3.1"/79mm) Stainless steel screw pack (adapts to different door thicknesses) Installation manual (with QR code for video tutorials) Emergency mechanical keys (2 pcs) Application Scenarios Outdoor scenarios such as courtyard gates, garage doors, warehouse doors Places with multiple users like homestays and offices Family residences requiring high security and durability Summary : Through mechanical structure innovation, this lock excels in maintenance-free performance, adaptability, and durability, especially suitable for outdoor scenarios pursuing stable security. Multi-size compatibility and quick installation design greatly lower the usage threshold, making it an ideal alternative to traditional electronic locks.
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nn252
5
CJZN257415001AZ
1800.0 g
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