1,Rainbow indication for level adjusting, up to 640000 color. 2, Default 15 lighting effects. 3, Ideal for led strip, module RF wireless touching ... , How to use 1 Press Key 1 to turn on/off in any state 2 Press Key 2 to activate light changing mode, a new mode ... problems occur within one year.The buyer should pay for the maintenance due to unfollowing the instructions even within one year. The ...