K40 Makes Customers for Life

K40 has been making the most advanced radar detectors in the world since 1981. That commitment to product excellence – coupled with the real world expertise and dedication to service of our K40 team – is what keeps customers coming back again and again.

It is this confidence in our products, our people, and our network of elite dealers and installers that allows K40 to offer the most comprehensive set of guarantees in the industry, including the world’s first speeding ticket guarantee: If you get a speeding ticket, we’ll pay for it.

• Take a quick tour of K40’s storied radar detector history
• Learn more about our highly-experienced team
• A message from K40 President Peggy Finley
• The K40 Blog - Get the latest news on radar detector and laser detection technologies, changes in state and local laws, and K40 products

At K40, we're not only dedicated to our customers and dealers, our
community involvement has always been an integral part of who we are.