the thing about the gun thing is... i bet mines bigger and i have a better shot lol. u can buy an older model radar set up off ebay from $75-$150 for a single front antenna. or $250 for a front and rear radar (so u can see peopple coming up on ur ass in a hurry and people driving away from u after they pass u). i'm getting one from military surplus (the one i use to ahve in my patrol car) lil bit more expensive cuz its a new model but oh well.