This is a great device to convey your personalized message to others, to promote your business, or even to show support for your favorite sports team. The scrolling message is easily changed through the buttons on the back and consists of all letters, numbers and special characters. It takes just a couple of minutes to clear your old message and enter a new one. It's FUN and Useful. The display is the brighest red LED available and has settings for multiple speeds. This device has gone through extensive reliability testing and the battery lasts for days and days. You will be pleased with your purchase and get a lot of enjoyment from it.