This Small Electronic Drawer Safe can easily be placed in a drawer or mounted to a wall. The door is heavy-duty 11 gauge steel construction and the body is heavy-duty 14 gauge steel construction. Electronic keypad access code makes this Small Electronic Drawer Safe extremely secure. Grey carpet with pressure sensitive adhesive lines the inside. Faceplate removes to reveal a backup key lock in case of battery failure; two keys included. Mounting hardware included. Four AA batteries included.