FIG. 1 is a perspective view of a security system housing showing the present design;
FIG. 2 is a left side elevation view of a security system housing showing the present design;
FIG. 3 is a right side elevation view of a security system housing showing the present design;
FIG. 4 is a front elevation view of a security system housing showing the present design;
FIG. 5 is a rear elevation view of a security system housing showing the present design;
FIG. 6 is a bottom view of a security system housing showing the present design; and,
FIG. 7 is a top view of a security system housing showing the present design.