What is this?A type of dimmer switch widely used for controlling the brightness and the flash of single color LED strip in the home indoor areas.What will I get?Product Name: Rating Voltage: Rating Power: Wire Total Length: Package Content: Are there any advantages of the product?Different dynamic modes and brightness for you to choose, choose the settings you want.The LED strip dimmer also has memory function.When it power off, you don't need to select the mode and brightness level again.How to use it?1."Speed Button": Short press for power on, Long press for power off.2."Mode Button": Press the "Mode Button" and it will change to flashing mode, there is 8 different flashing mode and you can change the flashing mode by pressing the "Mode Button". In this mode, the "Speed Button" can change the flashing speed.3."Light Button": Press the "Light Button" and the light will keep on and no flashing. In this mode, the "Speed Button" can change the light brightness.What should I notice?Please make sure the output and input connection is correct, the red wire is positive and the black wire is negative.