1.Each Encoder have its own USB Cable to make sure that Multiplayer can play the games in the same condition!<br> 2.The Joystick is a square 8 way professional joystick!<br> 3.The buttons are 5V LED Illuminated push buttons with build-in Blue switch inside.<br> 4.The buttons default as lighted all the time.<br> 5.Joystick hole diameter: 24mm, large button hole diameter: 28-30mm<br><br> Package Included<br> 2x Zero Delay LED USB Encoder<br> 2x USB Cable<br> 2x 5Pin wires for Joystick<br> 20x 3Pin wires for LED Push Buttons<br> 4x 30mm Ring-Fixing LED White Push Buttons as start buttons (1 Player + 2 Player + 2x Coin)<br> 16x 30mm Ring-Fixing LED Push Buttons as fight buttons <br> 2x 5Pin Square 8 way joystick <br> 1x Install Description<br><br> Tips for installation<br> 1. Plese read our user manual before starting your diy actions.<br> 2. It's very important! Connect Joystick's 5Pin cable to the 5Pin slot that opposite the USB-B terminal. A lot people connect the joystick to the wrong 5Pin slot.<br> 3. There is no need separate the button's functions when you connect wire to push buttons and encoder board exept you want add " Auto-Fire", " Tubro", "Clear" & " Mode" Functions.All the fight button functions can be set in MAME or RetroPie. "Auto-Fire", "Tubro","Clear" & "Mode" Functions have its own slot on the encoder board.<br> 4. For Professional Players. We suggest your change all the buttons and joysticks into SANWA Brand or SEIMITSU Brand.<br><br> Tips for New User:<br> 1. The item need work with MAME emulator. So before your build your own project, please download one to work with the parts.<br> 2. If you use this kit to build your own Raspberry Pi Retropie Projects. Please search the steps before your DIY.<br>