How Do Door Barriers Work?
NightLock uses the strength of the floor to create a powerful barrier against someone who would try to force the door open. Available in brass, satin nickel, dark bronze and flat black finishes $70 installed or $45 for the NightLock which you install yourself.
The door Guardian mounts in the gap between the door and door jamb on inward-opening doors. Lock it by swinging the spring-loaded latch toward the door. The bolt will drop into the channel and lock into place Reverse the process to swing the door can be opened easily.