JAMMA voltmeter adapter.
Just add a 5v + 12v voltmeter to your Arcade / Supergun terminal in seconds.
This adapter is inserted between your game card and your Arcade / Supergun terminal.
Its integrated switch allows you to select the voltage to be tested (+ 5v or + 12v).
In order to avoid any connection problem, our JAMMA Voltmeter interface has a G-pin key to prevent any connection error.
The adapter has four standard M3 mounting holes for mounting with PCB feet when needed.