Mode:there are 18 different light functions with the press button of MODE 1.Auto changes in 6 colors 2.Gradual change + crazy flashing in 6 colors 3.color rotation in 4 colors 4.Auto stacking (4 different ways) 5.Stacking and Whirling 6.Stacking in 2 colors 7.Alternate flashing in 2 colors 8.color rotation in 2 colors 9.Alternate chasing 10.Alternate chasing in 2 colors 11.color rotation in 3 colors 12.4 colors rotation with stacking effect 13.Auto diffusing and contracting 14.Dripping 15.Flash 16.Beating 17.Alternate flashing 18.Gradual change with 7 colors.