1. Ensure home security, prevent unauthorized entry, and give you peace of mind: The security door lock can withstand 800 pounds of force, which is 12 times stronger than the kick resistance of ordinary door latches. Add high-security door locks to front door security, interior doors, bedroom door security locks, side doors and garage doors, and basement doors to make you feel more assured and safer at home 2. [Juvenile Proof and Tamper Proof] This door protector is designed with springs to protect teenagers. The juvenile proof door lock can be installed higher on the door, where your son and daughter can't reach! In addition, it can also prevent your son and daughter from opening the door to strangers 3. [Easy to Install] Use an electric screwdriver and drill to install the security door lock on the door frame to complete the DIY. The reinforcement door lock takes less than 5 minutes to install. Comes with two sets of screws, four 1 and four 2, and the screw length can be selected as needed 4. [] Place your index finger on the top of the security door lock and your thumb on the bottom, slide the lock away from the base plate along the door toward the hinge, and pull outward. This security door lock opens without tools and only requires a little practice. Not only does it prevent break-ins, but it's also easy to open in an emergency