Originally Posted by grip grip

I use the Passport 9500IX. Without getting crazy on installation, this is the best IMHO. I like Valenine 1, except it doesn't have GPS, so it will go off every time you pass a false alarm.

The Passport 9500ix knows where you are, so it doesn't sound the alarm if you've identified a spot as a false alert (by tapping the button 3 times) or after it senses the false alert 3 times.