Mophorn Mechanical Keyless Door Lock: Secure and Convenient Easy Installation, Weatherproof, and Hassle-Free This mechanical keyless entry door lock has a robust and battery-free design. No keys or access cards are needed. Made of durable zinc alloy, it's waterproof, rust-resistant, sun-proof, and freeze-proof for reliable performance in all weather. It comes with multiple screws and bolts to fit different door sizes and simplifies installation with videos and instructions. Weatherproof Installation Mechanical Door Lock Keyless Entry Durable Key Features Weather-Resistant Build: Made of zinc alloy with a corrosion-resistant coating, this lock is waterproof and rustproof. It stays secure in all weathers. Simple Installation: The lock has an adjustable thumb knob for left/right doors. The widened pads make installation easy without damaging the door's look. Automatic and Convenient Modes: It automatically locks when the door closes and has a hold-open mode for frequent access. No more