The power-on module for incoming calls is a module that enables the computer to automatically boot up after the computer is powered on.PCIE, PCI dual-slot design, compatible with desktop computersThe relay is physically isolated and does not burn the motherboardFour-channel POWER SW design, does not affect the original key-on function of the computer, easy to installComputer motherboard to take power, no external power supply requiredDimensions: 34 x 79.1mmMaterial: PCBcolour: GreenPackage Contents:1 x Adapter Card2 x Cable(Note: Random color, ' accept the specified color.)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.