a normal rule of internet forums is to not type in capitals unless you are trying to convey your annoyance and are yelling your post.
just a thought,i doubt that is what you are trying to do
never heard of a k40 but the valentine 1 seems to be the most superior radar detector ever hands down .
No one has ever made another that i have seen from a reputable company showing more acurate test results of vg2 (actually working)
and actually picking up real dangers as well as few falses from other crappy detectors
car and driver motor trend sprot compact car
gumball 3000 and the list goes on ,real speeders won;t leave the garage without it as it IS the best