The RGB ribbon flex controller with 44 key remote allow you to control the speed of the color change. The remote control is an infrared remote control and has a range of 5-8 feet. There are 44 remote control buttons on the remote itself. There are 25 pre programmed static colors, 5 color changing modes, 6 user programmed static colors and all the static colors are dimmable. The fastest color transition time in the color changing mode is 1 second and the slowest transition time is 10 seconds. The maximum transition time through the complete color changing sequence is 70 seconds.