SRC-171 LED Controller is a programmable controller for almost all color changing system products. It is simple to handle, but is a very effective tool. When it comes to color mixing, due to built-in programs, the user is also provided a hardware preset, that mixes 7-color runs. Color, speed, and strobes are all adjustable.SRC-171 is an intelligent power source and function console. SRC-171 provides the power switch and function control to the SDL-100'1/2/3/4 ect... It can also to be applied on dimming and on/off switch. The voltage SRC-171 supply is DC24V, three output to control R, G & B, and the currency is 3.5A each output totally 15A. SPECIFICATIONSPower: 120V/240V 300W Fused Display: LED Display Output: 8 Parallel Outputs, 24V, Total 10A Max Temperature Range: 0-40 degrees C ambient Temp Humidity: 0-95% Non-condensing Warranty: 1 Year Housing: Aluminum Dimensions: L360xW310xH65mm Weight: 2.7Kg