The 5.20.5 GDEMU, easy to installation, no need to welding and to modification to the machine board. Using connector, won't damage the console.White Interface Height of GDEMU is about8mm.But Itonly suitable for VA1 motherboard DC game machine, otherwise GDEMU will be . The firmware of 5.20.5 GDEMU can be updated. However, the update process of this product is complicated, and the product will become brick if the operation step is wrong. features: 1)System code update 2)Automatic timing profiles for SoA and RE:CV 3) INI option to manually cap GDEMU speed Details: 1) Fixed the issue of Arcadia opening freezes. 2) Fixed the issue of not being able to get a slot item caused by the Veronica Tiger Head Jewel Bug. 3) Some images that were not recognized by the old version of the firmware can now be recognized. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:black+blue Material:PCB Package Contents: 1 x For GDEMU V5.20.5 Optical Drive Emulation Board Kit 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.