Features: Replacement part for your faulty optical drive emulation board. Full game compatibility, perfect operation of original gdi- mirror, and applicable for cdi mirror. The GDEMU optical drive simulation board, get rid of the optical drive sawing sound, reading speed for DC consoles board. Only suitable for VA1 motherboard- DC game machine, otherwise will damage GDEMU. Using original connector, will not damage the console. New v5.20(v5.20.3) GDEMU, easy to installation, no need to welding and to modification to machine board.(Do not use adapter card sleeve, SD card is recommend to use large capacity) Specifications: Material: Plastic Applicable Model: for DC VA1 Package Includes: 1 Set Optical Drive Board note: It is forbid to plug- and unplug- GDEMU with electric charge to prevent electric shock. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.