1.Enhance Your Home Security - home security door locks are crafted from premium aluminum alloy to provide top-notch protection with a maximum resistance of 800 pounds, preventing the door from being kicked open. We currently have silver, black, and white colors that you can pick from. Choose our trusted product, and experience the ultimate peace of mind knowing your home is guarded. 2.Easy To Install - Our home security door locks are easy to install. Supplied with 3 long screws and 4 short screws. Simply use a power screwdriver and drill to install the home security door lock.The installation can be completed in less than 5 minutes and you will have a r home to protect your loved ones! Please note that this product is only suitable for doors that open inwards, so please purchase as appropriate. 3.Easy To Use - Place your index finger on the top of the door security lock and your thumb on the bottom, slide the door lock away from the bottom plate in the direction of the door hinge and pull outward. No tools are needed to open it, just a little practice. This door lock prevents break-ins and is easy to open in an emergency. Enjoy the convenience of greater security and peace of mind in just a few quick steps. 4.Designed with your family's in mind - Our Door Lock Replacement Parts are perfect for childproofing your home. Keep curious little ones protected by adding an extra layer of security to your doors. Can provide extra security for children against strangers opening the door. Please install the door lock higher than the door handle, out of children's reach.