Add Extra Security to Your Home: Want a reliable way to keep your family safe? The Comfylichi door reinforcement lock has you covered. Made of thickened aluminum alloy and each equipped with 4 long and 5 short screws, its security latches can withstand 800 pounds of force, 12 times stronger than ordinary deadbolts, effectively preventing the door from being kicked in to safeguard your family Childproof and Tamper-proof: The childproof door lock is an effective reinforcement lock. Its spring-loaded design stops kids from opening the door to strangers when you're away. It's safer to install it on the top or at a higher position of the front door. It also gives the elderly and women living alone extra security Easy Installation: Just use a screwdriver or power tools to install the Flip-lock door lock onto the door frame. The whole installation process will take no more than 5 minutes.Gap between door frame and door needs to be 2 mm, our child proof door lock comes with an installation manual for you to refer to during the installation process Easy to Lock Unlock: To unlock, pinch the top and bottom of the door lock. Then slide it sideways along the door towards the hinges until it can be pulled outward Unsafe Community? Comfylichi Door Reinforcement Lock to the Rescue: If your community has a poor security situation, adding extra "security locks" to your home or apartment is crucial. Our door lock latch are designed for this, fitting inward-swinging apartment, bedroom, locker room, bedroom or hotel room doors, yet not for French double doors, garage doors, those with gaps under 0.07 inches, outward-swinging doors, or misaligned frames