Prime-Line U 110938 Chain Door Guard, Square Corners, Keyed, Matte Black (Single Pack)

This chain door guard is a security locking device that allows doors to slightly open for safe viewing and ventilation

All components come in a beautiful, corrosion resistant, matte black finish

Designed for use on hinged entry doors that swing inward, into the dwelling

Mounts out of children's reach to help prevent them from opening a door themselves to enter or exit into dangerous areas

Easy to install, key-operated lock can be mounted on, or beside the door casing, mounting hardware included