Mountable light

[0001]FIG. 1 is a perspective view of an ornamental design for a mountable light;

[0002]FIG. 2 is a view of a first side thereof;

[0003]FIG. 3 is a view of a second side thereof;

[0004]FIG. 4 is a view of a third side thereof;

[0005]FIG. 5 is a view of a fourth side thereof;

[0006]FIG. 6 is a view of a first end thereof; and,

[0007]FIG. 7 is a view of a second end thereof.

[0008]Broken lines in the DRAWING indicate parts of the mountable light that are not claimed and that form no part of the claimed design.