US D331546 S
FIG. 1 is a front perspective view of an intrusion detector showing my new design;
FIG. 2 is a front elevational view thereof, with the rear being flat and unornamented;
FIG. 3 is a top plan view thereof, the bottom being a mirror image thereof;
FIG. 4 is a right side elevational view thereof; and,
FIG. 5 is a left side elevational view thereof.