Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Good value for the money

This radar detector has saved me from getting two speeding tickets so far, which in Massachusetts FAR more than covers the cost of unit! It is a bit too sensitive in Highway mode (lots of false alerts) but does just fine in City mode. I like the verbal announcements, but my first-time passengers find it a bit unnerving to have a third voice in the car.