There is no need to worry anymore in trying to match up schedules with everybody because what comes with the convenience of lock boxes is security.  A lock box makes it possible for you to coordinate schedules with other members of the family and other people you seek household services for like housekeepers, cleaning services and plumbers.  Brands of lock box such as The Supra, Shurlok and the Avanti Guardian are all high quality and equally secure when properly installed.  There is no brand or style of realtor lock box that is more secure than others.  Looking for the best lock box for you is solely judged on which lock box is the most convenient for you to use. Lock boxes are most commonly hung over the door knob, but a wall mount style is also available.  This type of lockbox can be mounted on a wall, deck post or any type solid flat surface.  The door knob style can also be attached to some railings or fences.  Either style lock box must be unlocked to remove or install.