The ornamental design for a skin and lifedetectiondevice, as shown and described.
FIG. 1 is a perspective view of a skin and life detection device showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is an enlarged first side view thereof;
FIG. 5 is a an enlarged second side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines in the drawings are for the purpose of illustrating portions of the skin and life detection device, which form no part of the claimed design.