1. Sturdy Design: Designed to withstand 800 pounds of force. The door reinforcement lock features heavy-duty construction, making it very sturdy and secure. Helps protect anyone from opening the door from the outside, improves home security, and keeps you and your family safe 2. Protects your home: The upgraded night lock design lets you feel safe with extra protection. 12 times stronger than regular door latches to prevent kicking in. The safety lock keeps your home safe. Not only prevents break-ins, but also easy to open in an emergency 3. Protection: The spring-loaded design makes this door latch a safety device; it can be mounted higher on the door, out of reach of your children. It works well to prevent children from sneaking out the front door 4. Easy to install: The included hardened screws make installation a breeze. Use an electric screwdriver and drill to install the safety door lock on the door frame, and complete the DIY door lock installation in minutes