Nail Lamp

FIG. 1 is a front perspective view of a nail lamp, showing my new design; FIG. 2 is a bottom perspective view thereof; FIG. 3 is an enlarged front view thereof; FIG. 4 is an enlarged rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof, FIG. 7 is a top view thereof; FIG. 8 is a bottom view thereof; and, FIG. 9 is an enlarged detail view of area 9 in FIG. 1 . The broken lines in the drawings illustrate the portions of the nail lamp which form no part of the claimed design. The dot-dash broken lines in FIG. 1 and encircling FIG. 9 denote the boundaries of the enlarged detail view and form no part of the claimed design.