Mophorn Mechanical Keyless Door Lock - Secure and Hassle-Free Enhance Your Door Security with Ease This mechanical keyless entry door lock offers a robust design with mechanical code and key unlocking. The latch bolt is made of durable zinc alloy, waterproof, and rust-resistant. It comes with screws and shafts for different door sizes and easy installation with video and instructions. Mechanical Door Lock Keyless Entry Durable Build Home Security Easy Installation Key Features Automatic Locking & Hold-Open Mode: Ensures automatic locking and convenient access. 2nd Generation Mechanical Combination Lock: Offers advanced security and flexibility. Durable Zinc Alloy Material: Resistant to various elements for reliable performance. Universal Compatibility for Various Doors: Fits a wide range of door options. Easier Door Lock Replacement: Simple to install without major modifications. Compatible with Multiple Door Types Fits various door thicknesses and types. Aesthetic Replacement Allows