PS2 game joystick axis sensor module consists of using original quality metal PS2 joystick potentiometer system For the (X, Y) a 2-axis analog output and for (Z) 1 digital output channel button. Simply connect to two analog inputs, the robot is at your commands with X,Y control. It also has a switch that is connected to a digital pin. This joystick module can be easily connect to by normal IO Expansion Shield with supplied cables. Product size: 34.0mm * 26.0mm* 32.0mm (LxWxH) Packet Include : 5x PS2 Game Joystick Axis Sensor Module Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you!