It is not effective against laser. Once it detects laser, it is
too late because the cop got your speed. The laser beam
that hits your vehicle is very narrow.

I have a Passport 9500IX it store false alarms so it very useful since it does not go off all the time. The arrows would be nice but the store feature is really key to me.

Concealed Radar/Laser Detectors/Shifters
 

For what it is worth, I am including two links here to an earlier thread in this forum on the subject of the pros and cons of various concealed radar/laser detectors/shifters for our vehicles, that I think many of you will find interesting..... I am currently using the Escort Passport 9500 ci system and have had almost two years of happy motoring where I am convinced it has saved me many times and has paid for its original expensive cost and custom installation.

AVB-AMG

http://www.xoutpost.com/559734-post107.html

http://www.xoutpost.com/682370-post115.html