Features: The GDEMU optical drive simulation board, the optical drive sawing sound, reading speed for DC consoles board. Easy to installation, the optical drive seat can be removed and replaced with GDEMU, without welding, without modification to the machine board. Replacement part for your faulty optical drive emulation board. Very good game compatibility, perfect running GDI image, and compatible with for CDI image. Only suitable for VA1 motherboard DC game machine, otherwise damage GDEMU and remember not to plug in GDEMU. The version of GDEMU: V5.15b Height of white interface: 8mm Material: PCB colour: Black Package Contents: 1 x Optical Drive Emulation Board 2 x heat sink(randomly colored. Cannot be chosen the specific color.) 3 x Plastic head cap(Depending on the batch, the batch number and date on the board may be different, but this does not affect) 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.