i got this about a year and a half ago -ish and took it out of the box just to check it out .. new never installed i am asking 300 for it and here is a link to describe it ... and for the curious ones it's not illegal
http://www.buyradardetectors.com/pro...ifter-zr3.aspx
very helpful since a majority of the cops on the parkway and other various roads are useing this now . pays for itself with getting out of 1 ticket