Color: Black Input Power Supply DC5V-24V Max Power Load 300W5V720W12V1440W24V Output Gray Level 256 Input Signal DMX512 / 1990 Output Signal 12 Channel Constant PWM Output DMX12 Channel DMX512 Socket Standard RJ45 Product Size Approx. 15 * 32mm Product This kind of controller will only work with DC5V-24V provided by matching controllable main power supply 3. When the power is turned off. The controller must work in a flammable gas or rust free environment 5. Please check the wire connections regularly to replace wires with aging rust-damaged insulation spacers in a timely repetition