Jamma Harness with 2x28pins 56 Pin connector that can be used for standard Jamma Arcade cabinet (Machines) and PCBs,Game machine, fighting machine, of fighters. All wiring uses 22AWG ,Cheaper harnesses will only use 24AWG or 26AWG. The problem is if the resistance of wire is too high, it can cause a significant power loss before the DC voltages even reach the JAMMA PCB. Fast connection to power supply with attached terminal forks for all voltages (+5VDC, +12VDC, -5VDC, GND) Video signals connect through included standard monitor connector. Full Grounding Loop for all those joystick/button micro-switches on your control panel. Colour:black Material:plastic Package Contents: 1 x jamma harness cable Only the above package content, other products are not included. Note: Light 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store