Product EDM Greatim Outswing Door Guard SD101 -The locking device for out-swing entry door, which allows you to open the door few inches for indentification. 03/17/2022 Posted by greatiminc 17 Mar Outswing door guard Outswing Door Guard SD101 -The locking device for out-swing entry door, which allows you to open the door few inches for indentification.