1. Enhanced Security Design : This 3-inch metal construction home security door lock is engineered to withstand up to 800 lbs of force, making it 12 times stronger than a standard deadbolt. Each lock is equipped with 8 screws (4 long and 4 short) for customizable installation based on your door's specific needs. This reinforcement lock provides robust protection for your home and serves as a thoughtful gift for your loved ones. 2. Simple Installation : Install the security door lock quickly with just a power screwdriver and drill. You can complete the DIY installation in under 5 minutes, ensuring enhanced security for your entire family. Designed to fit any inward-swinging door, this lock is easy to use. An installation manual is included, and our customer support is available to assist you with any questions. 3. User-Friendly Operation : Opening the lock is straightforward. Simply place your index finger on top of the lock and your thumb on the bottom, then slide the lock away from the base plate along with the door towards the hinges, and pull outward. No tools are needed for operation after installation. This door guard effectively prevents unauthorized entry while remaining easy to open in emergencies, giving you peace of mind. 4. Home Security & Child Safety : This childproof door lock adds an extra layer of security for toddlers when you're away. Its spring-loaded design prevents young children from opening the door to strangers. It also provides added safety for seniors or women living alone, ensuring they feel secure in their homes. This lock is ideal for residential use, perfect for front doors, back doors, or any internal doors requiring additional security.