The ornamental design for a compactmulti-function LED lighthead, as shown and described.
FIG. 1 is a top perspective view of a compact multi-function LED lighthead showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 a bottom plan view thereof; and,
FIG. 6 is a right side view, the opposite left side view being a mirror image thereof.
No claim is made to the rear view. The broken lines shown in the drawings illustrate environmental subject matter which form no part of the claimed design.