Specification: Color: Green Interface: ATX24PIN Supporting Systems: LL NX / XP / WIN7 / WIN8 / WIN10 Material: PCB Item size: 10.2 * 4.8 * 1.2cm / 4.02 * 1.89 * 0.47in(L * W * H) Item weight: Approx. 31g / 1.09oz Package size: 14.9 * 10.8 * 1.5cm / 5.87 * 4.25 * 0.59in(L * W * H) Package weight: 43g / 1.52oz The multi power supply adapter is designed for making two or several power supplys starting up or shutdown at the same time. When the maual swith doesn't work if you insert the main power supply detection interface, you should pull out the test line and then the maual switch works. Features: Allow two or several power supply starting up or shutdown at the same time if the power interface is suffiient. Adopt high-performance transistor circuit. Low power consumption. Support for manually switching the sub-power switch if you don't want the power supply synchronize. Light-emitting diode will light when the sub-power starts with power indicator. Convert into several kinds of power interfaces with cables. A large 4PIN output and take full advantages of power efficiency.