This mechanical keyless door lock is compatible with doors ranging from 1.4 to 2.5 in (35-65 mm) in thickness. It comes with multiple sets of mounting spindles and screws, allowing you to choose the appropriate installation accessories based on your door type for better flexibility and convenience.

Designed with adjustable handles, movable bolt strikes, and enlarged mounting plates, this keyless mechanical combination door lock allows you to replace your old door hardware without additional cutting or drilling. Simply swap out the old lock with the new one to maintain your door's appearance.

Automatically locks when the door is closed, enhancing your home's security. The upgraded stay-open mode facilitates frequent entry and exit, making it especially suitable for children or the elderly. When this feature is enabled, the mechanical door lock functions as a regular door handle.

Secure your home with a high-quality mechanical combination door lock. The zinc alloy latch bolt avoids forced entry, while the stainless steel strike plate withstands harsh weather, providing water, rain, sun, freeze, and rust resistance.