KB-ZEBRONICS MECHANICAL USB WIRED KEYBOARD (MAX PRO)

Press "FN" + "INS" - 3modes. ( Modes can be switched by pressing this combination again.)
Press "FN" + "HM" - 3modes. (Modes can be switched by pressing this combination again.)
Press "FN" + "PU" - 3modes. (Modes can be switched by pressing this combination again.)
Press "FN" + "DEL" - 3modes. (Modes can be switched by pressing this combination again.)
Press "FN" + "PD" - 3modes. (Modes can be switched by pressing this combination again.)
Press "FN" + "END" - 3modes. (Modes can be switched by pressing this combination again.)
Press "FN" + " ~ " - 1modes.

Yes, below is the detailed guide for the same
Press twice "FN" + "", the Keyboard will enter into configuring mode. (NUM LOCK, CAPS LOCK & SCROLL LOCK LED will blink continuously.)
Now press "FN"+ "RIGHT KEY", to change the selected color. The backlit colors will change in following order - 1.Red 2.Orange 3.Yellow 4.Green 5.light blue 6.Blue 7.Violet 8. White 9. Off. The selected backlit color will be visible in "" key.
To save the configured mode, press "FN" + "" key once again. This custom color backlit will be saved even when keyboard is disconnected, you can select this custom color backlit by pressing "FN" + "" key once.

Press "FN" + "Up/down arrow key" - to change the LED brightness adjustment

Press "FN" + "-" - to decrease the blinking/animation speed of LED. Press "FN" + "+" - to increase the blinking/animation speed of LED.

Press "FN" + "Left arrow key" - to move the led light from Left to right or Right to left.

Press "FN" + "Windows keys" - to lock the WINDOWS key function, press again to unlock.

Press "FN" + "Right arrow key".