Function: 1. Heavy-duty door lock: Made of thickened aluminum alloy. High quality to protect you and your family. 2. Beautiful and practical, suitable for most doors. 3. Beautiful appearance and truly excellent workmanship. 4. Low-resistance sliding design, quick locking. Include: 2X Door Security Lock (with screws). 1. Low-resistance sliding design, quick locking, protect you and your family. 2. Heavy-duty door lock, made of thickened aluminum alloy. Wear resistance, corrosion resistance and long service life. High quality, not easy to damage. 3. Exquisite design, beautiful appearance and truly excellent workmanship, will not tarnish or wear easily. In addition to improving security, it is also beautifully decorated. 4. Versatile, beautiful and practical, suitable for most doors. The included screws are easy to install. 5. This door security lock is very easy to install and brings you much convenience.