The Happ Style Joysticks and Happ Type Push Buttons can fit for this set perfectly. This set of encoder require to use 2Pin Joystick and 4.8mm size terminal push buttons. Also a great encoder for making a fight stick. Use this encoder set you can easily DIY your own arcade game machine. The Zero delay USB Pc Encoder is the most cost effective encoder option. It can support all the windows system including windows XP,Windows 7,Windows 8 ect. It is also a very compact encoder. The size for the encoder board just 8.5 cm X 3.5 cm X 1 cm. It also can support most Arcade Emulations,Such as MAME,JAMMA & other PC gaming console emulation. You just need simply connect your arcade controls into the encoder board with the included wires, And then plug the encoder into your computer USB Port.And then just enjoy your arcade Games with your PC. Compatible Model: MAME & Fight Stick etc. This item is support for one Player,If you want to build a Multiplayer Machine,Just need add the quantity for your player. Packing Includes 1 x Encoder board 1 x USB Cable 4 x 2Pin Cable for Joystick (The terminal is 4.8mm Happ Type ) 10 x Wire cables for Buttons. (The size 4.8mm for this cable is perfect for HAPP Push Button ) 1x Instructions Feature: High performance COMS technology. Support function key TURBO and AUTO mode with LED twinkle. The rocker IC supports multiple game equipment form.And in two kinds of equipment .Digital mode, Analog mode can arbitrary switching. Used For Joystick 4x 2Pin 20cm longer joystick cables adopt 187" straight terminal. Use for Happ 2Pin Joystick. Seimitsu 2Pin joystick, Sanwa 2Pin joystick and other 2Pin 187" (4.8mm) terminal stick etc.Each blue and white line can only access one direction interface.If need to replace the joystick. Do not tear the blue and white cable. Use a tool to clamp the 4.8mm terminal and pull out the port. Used For Buttons 10x 2Pin 20cm longer buttons cables adopt 187" straight terminal. Use for Happ Buttons. Micro Switch Buttons and LED lights Push Buttons etc.Each blue and white line can only access one direction interface.If need to replace the joystick. Do not tear the blue and white cable. Use a tool to clamp the 4.8mm terminal and pull out the port. Zero Delay Arcade USB Encoder For Your Pc Game DIY!Perfect fit for HAPP type push button and joystickAll Joystick and Push Button types which with 4.8mm Terminal!Use this Encoder you can build your own Arcade Game Machine!Plug and Play, It does not require any drivers. All windows systems! Such as Windows XP,Windows 7,Windows 8 etc! This 2Pin 20cm longer buttons cables adopt 187" straight terminal. Use for Happ Buttons. Micro Switch Buttons and LED lights Push Buttons etc.Each blue and white line can only access one buttons interface.If need to replace the joystick. Do not tear the blue and white cable. Use a tool to clamp the 4.8mm terminal and pull out the port.It also can support most Arcade Emulations,Such as MAME,JAMMA & other PC gaming console emulation. USB Print TerminalsK1-K12 Push Buttons Terminals5Pin Joystick Terminals2Pin Joystick TerminalsAuto, Turbo, Clecet, Mode Terminals6 and 6-1 is Output 5V Power Terminals High performance COMS technology. Support function key TURBO and AUTO mode with LED twinkle. The rocker IC supports multiple game equipment form.And in two kinds of equipment .Digital mode, Analog mode can arbitrary switching.It is also a very compact encoder. The size for the encoder board just 8.5 cm X 3.5 cm X 1 cm.