The ornamental design for a rockerswitch, as shown and described.
FIG. 1 is a front perspective view of a rocker switch showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof, the rear view being a mirror image of FIG. 3;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 3;
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 4;
FIG. 10 is a front view in which the rocker button is switched, the rear view in which the rocker button is switched being a mirror image of FIG. 10; and,
FIG. 11 is a right side view in which the rocker button is switched.
The broken lines are shown for illustrated purposes only and form no part of the claimed design.