Just received it yesterday,the Edge 83830 is a wired monitor which plugs in directly into your obd 2 port,i believe it can monitor up to 8 parimeters in your vehicle,such as boost psi,iat temp,engine and tranny temp,battery charge,gas mileage,o-60,1/4 mile,basically i am trying to facbricate the wiring neatly,so you dont see any,just like my radar,i will keep you posted on the setup,also need to order a longer extension.also i am trying to install it in the eyeglass compartment by the sunroof,lol