DOCOSS key lock box is made durable due to it being made of heavy-duty material. Having a 4 digit combo will be easy to remember. Provides Access for Lockouts and emergency services have the 4 digit password and can gain entry easily, and Dials roll easily. This key storage lock box has enough space inside for several keys,holds up to 5 house, car or padlock keys Comes with screws and plastic anchors, Only took a few minutes to install. It's nice to have a key handy for friends and family that need access to your house. Guests could conveniently retrieve keys when ever they arrive and return them when departing.Combination easy to set and change. Recommend key be removed from lock box when no longer needed for access to increase home security.