- Enhanced Security Design: This 3' Stop metal construction door lock is engineered to withstand an impressive 800 lbs of force, making it 12 times stronger than a standard deadbolt. It features a robust reinforcement system with 8 screws (4 long and 4 short) for customizable installation, ensuring your home is well-guarded against forced entry. - Simple Installation: Install this security door lock in less than 5 minutes using a power screwdriver and drill. Compatible with any inward swinging door, it includes an installation manual for your convenience. Our customer support team is available to assist with any questions during installation. - Easy Operation: To unlock, simply slide the lock away from the base plate towards the hinges and pull outward. No tools are needed, and with a little practice, you can open it quickly in emergencies while maintaining a strong defense against intruders. - Child Safety & Home Protection: This childproof door lock provides an added layer of security for toddlers, ensuring they cannot open the door to strangers. Its spring-loaded design protects your children when you are away, and it offers peace of mind for elderly individuals or women living alone. - Versatile Applications: Ideal for front doors, back doors, or any entry points in need of reinforcement. Whether you're at work, traveling, or simply want to enhance your home's security, this door lock is a practical solution for safeguarding your family and property. This door lock is not just a functional security measure; it is also a thoughtful gift for family members concerned about safety at home.