The ornamental design for an emergencylight, as shown and described herein.
FIG. 1 illustrates a front perspective view of the emergency light;
FIG. 2 illustrates a front view of the emergency light;
FIG. 3 illustrates a right-side view of the emergency light, the left side view being a mirror image thereof;
FIG. 4 illustrates a rear view of the emergency light;
FIG. 5 illustrates a top view of the emergency light; and,
FIG. 6 illustrates a bottom view of the emergency light.
Those portions of the emergency light shown in broken lines in FIGS. 1 to 6 are not part of the design sought to be patented and are provided for environmental purposes only.