Mechanical Door Lock Keyless Entry - No Battery - Single Side Deadbolt - Adjustable Latch - Zinc Alloy Security Lock for Exterior Doors - Easy Install

【Keyless Convenience】: This mechanical door lock eliminates the need for keys and batteries; offering a reliable and hassle-free entry solution for homes, garages, and gates; enjoy secure access without the worry of lost keys or battery replacements 【Durable Construction】: Crafted from high-quality zinc alloy with a corrosion-resistant electroplated coating; this keyless entry lock provides exceptional strength and resistance to weather, water, and forced entry; ensuring long-lasting security 【Adjustable & Universal Fit】: Designed to fit doors with a thickness of 1.4 to 2.5 inches (35-65 mm); the adjustable thumb knob accommodates both left and right-handed doors; includes multiple mounting spindles for versatile installation; and utilizes surface mounting 【Easy Installation】: Comes with a drilling guide sticker and clear instructions for a straightforward installation process; the expanded mounting plate allows for easy replacement of existing locks without extensive door modification; eliminating the need for professional assistance 【Automatic Locking & Hold-Open】: Automatically locks when the door closes, providing enhanced security and peace of mind; features a hold-open mode for convenient access during frequent entry and exit; ideal for various applications including exterior doors and gates