inputs.text: vehicle alert module - seems work fine used backhoe dig 250 foot trench middle driveway back filled dirt hooked vehicle alert module house senses vehicles enter property loud 3 4 second beep vehicle alert module pretty sensitive 20 feet end driveway still falses whenever vehicle dirty ignition system drives potentiometer vehicle alert module make sensor less sensitive make small adjustment got rid falses school bus drives end driveway 8am 310pm sets 3 4 second beep dont mind first installed system way sensitive incoming thunder storms also made go thunder storm getting ready start closer got vehicle alert module would beep \\boom\\ thunder storm would start adjusted pretty much like seems decent system also hook cctv system camera alarm input turn camera sensor senses vehicle entering property