4 Pack Door Reinforcement Lock, Home Security Door Lock, Child Proof, White Door Safety Lock for Front Door, Toddler Proof Door Latch for Entry Door Security, Includes 8 Screws

Additional Home Security: Crafted from sturdy alloy, the door reinforcement lock withstands up to 800 lbs of force and is 16 times stronger than a normal deadbolt to help prevent forced entry.
Easy to Install: Each door reinforcement lock includes 8 screws: 4 long and 4 short. Select the appropriate screws and use an electric drill to install it within 5 minutes.
Drill bit: 1/8" ( 3.18 mm), common size. Child locks can also be added to your door.
Easy to Use: Use your thumb and forefinger to pinch both the top and bottom grooves, pull to the side, and swing away from the door to open the lock. Reverse the actions to close. Safe to Operate in an
Emergency: The upgraded design and high-quality springs allow you to quickly open the security door lock and evacuate from the inside. Making Ladies and the
Elderly Feel Safer: The sturdy door lock provides extra door lock security for elderly people and ladies when they are home alone.
Please note: The door reinforcement lock is not suitable for French double doors, garage doors, doors with gaps less than 0.07", outward opening doors, or doors with misaligned frames