Flitsmeister is known for their speed camera alert app, but they also have 2 different traffic alert devices for in the car. These are the Flitsmeister ONE and Flitsmeister DASH. With these traffic alert devices, you'll always know about speed camera, traffic jams, or any redirections. The Flitsmeister ONE is a small device without a screen that you can stick on your dashboard. The ONE works together with the Flitsmeister app on your smartphone. That means you always have to have your smartphone on you. The DASH has a screen and works without a smartphone. You do need a special subscription from Flitsmeister.