High Quality RGB LED Light Dimmer 12/24VDC, 4A for R/G/ ... output power: <144W(12V) , <288W(24V)Direction for UseConnect the load wire at first, following by the power wire; Please ensure ... turn on the power.Adopt rotary button, there are three load output channels, its function as follows: Rotate button to the ... to the far left, the light will be turned off. High Quality RGB LED Light Dimmer