Antitheft unit
FIG. 1 is a front elevational view of an antitheft unit showing my new design; 
     FIG. 2 is an enlarged perspective view thereof; 
     FIG. 3 is a bottom plan view thereof; 
     FIG. 4 is a top plan view thereof; 
     FIG. 5 is a side elevational view taken from the right of FIG. 1.