Nail Lamp

FIG. 1 is a perspective view of a nail lamp showing my new design; FIG. 2 is another perspective view thereof; FIG. 3 is another perspective view thereof; FIG. 4 is a front elevational view thereof; FIG. 5 is a rear elevational view thereof; FIG. 6 is a left side elevational view thereof; FIG. 7 is a right side elevational view thereof; FIG. 8 is a top plan view thereof; and, FIG. 9 is a bottom plan view thereof. The broken lines in the drawings depict portions of the nail lamp that form no part of the claimed design.