This is a LED Arcade Game DIY Parts for 2 Player DIY Project.       The encoder support all the windows systems        All the buttons are not metal.       If the LED does not light. Then please exchange the location LED interface.       Each player has its own USB cable to make sure that Multiplayer can play the games in the same condition        The Joystick is a 8 way professional joystick        The buttons are 5V Full Colors LED Illuminated push buttons with build-in Microswitches inside.       The default buttons as lighted all the time.       If you purchase one of this items, what will included in the package       1x Zero Delay LED USB Encoder       1x USB Cable       1x 5Pin wires for Joystick       10x 3Pin wires for LED Push Buttons       1x 5Pin 8 way joystick       1x 1 Player 30MM 5V LED Push Buttons (White) With LED Lamp and Micro Switch       1x Coin 30MM 5V LED Push Buttons (White) With LED Lamp and Micro Switch       8x 30MM 5V LED Push Buttons With LED and Micro Switch       1x Instructions                                                                       Button wiring method          Please note:          LEDs distinguish between positive and negative.          If the LED is not lit. Please replace the LED cable interface location.          However, pay attention to the direction of the LEDs. When connected, I inverted 75% of the LEDs that were installed upside down.          Everything is fine by removing them and turning them over.