The ornamental design for light for attachment to a cellular phone, as shown and described.
Description:
FIG. 1 is a perspective view of light for attachment to a cellular phone showing my design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevation view thereof, the right side elevation view thereof being a mirror image;
FIG. 4 is a front elevation view thereof; and,
FIG. 5 is a rear elevation view thereof.
The broken lines showing a cellular phone and bulb in FIG. 1 and a bulb in FIGS. 2, 3 and 4 are for illustrative purposes only and form no part of the claimed design.