[Keep your home safe] Security door lock designed to withstand 800 lbs. Powerful, 12 times stronger than regular door locks and preventing kicks in, this reinforced lock increases your home security and keeps you and your family safe! [Child-proof and Tamper-Resistant] This door guard adopts a spring-loaded design to ensure child safety. Child safety door locks can be installed higher on the door, out of your child's reach! Also, prevent children from opening doors to strangers. [Easy to Install] Use an electric screwdriver and drill to install the security door lock on the door frame to complete DIY. The reinforced door lock takes less than 5 minutes to install. Equipped with two sets of screws, four 1" and four 2", the screw length can be selected according to needs. [Easy to Use] Place your index finger on the top of the security door lock and your thumb on the bottom, then slide the lock away from the base plate in the direction of the door hinge and pull outward. This security door lock requires no tools to open, just a little practice. Not only does it prevent break-ins, but it can also be easily opened in an emergency.