FIG. 1 is a front perspective view of a keychain with light showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design.