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press FN+F3 button:seven monochromatic and one mixed color light cycle switching. press FN+F4 button:Wave/Color lights Racing Horse:Color lights Gradient Flowing Water,Default Wave Mode.Press again to enter Color lights Circular Racing Horse Mode. press FN+F5 button:backlight off/turn on,cycle switching. Adjust the speed of the streamer according to the FN+5key Adjust the speed of the streamer according to the FN+6key Through CE,FCC certification.