K40 is THE leader in radar detection and has been making the most advanced radar detectors in the world since 1981. K40 started with the unit above called thesuperheterodyne radar detector. It was a Dash-mounted unit weighs almost three pounds! Today K40 sells the most advanced radar and laser detection systems in the world. They are considered to the best by most and guarantee you won’t get a ticket or they will pay it for you. Now that’s confidence. We think K40 is the best money can buy so if you are lead foot or simply want to know when you have a radar gun being shot your way give us a call. We have installed or dash/window mount units available.