Used to allow a user to identify visitors from the security of a locked door. Fits doors 1-3/8 inch to 2 inches thick. Offers 200 degrees lens angle for wide viewing. Requires 1/2 inch hole. Visual-pack.
Used to allow a user to identify visitors from the security of a locked door. Fits doors 1-3/8 inch to 2 inches thick. Offers 200 degrees lens angle for wide viewing. Requires 1/2 inch hole. Visual-pack.