The power-on module for incoming calls is a module that enables the computer to automatically boot up after the host computer is powered on. PCIE, PCI dual-slot design, compatible with desktop computers The relay is physically isolated and does not burn the motherboard Four-channel POWER SW design, does not affect the key-on function of the computer, easy to install Computer motherboard to take power, no external power supply required Different batches, product appearance and color may be different, does not affect the use Colour:green Material:PCB Size: 34 x 79.1mm Package Contents: 1 x Adapter Card 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.