Great for use on various door, including exterior, interior, and apartment door, this lock offer versatile security option for different settings Make from aluminum alloy, this door security lock is builted to bear significant force, providing strong protections for home The inner door reinforcement lock adds extra layer of defense, making it harder for unauthorized individuals to gains entry Easy to install, this lock can be easily set up without professional assistance The lock features a childproof mechanism that prevents children from accidentally the door, ensuring their safety, Manufacturer: XINGBEI