STRONG DESIGN: Designed to withstand 800 lbs. of force. The door reinforcement lock is heavy-duty construction, very solid and secure. Help to stopping anyone opening the door from the outside, increasing your home security HOME SECURITY: Upgrade night lock design make you feel safe with the extra protection. 12 times stronger than a normal deadbolt to against being kicked in. Secure lock guard your home safe and keep you and your family safe. Not only prevent break-in but also easy open in case of emergency CHILDPROOFING: The spring-loaded design makes this door latch a child safe lock; It can be installed higher on the door where your children cant reach. Works good for keeping a child from sneaking out of the front door EASY TO INSTALL: Including hardened screws and installation instructions, make installation a breeze. Use power screwdriver and drill to mount security door lock on your door frame, finish DIY door lock installation minutes EASY TO USE: Easy to lock and unlock. No keys required, just a little practice. Not only prevent break-in but also keep your child proof