Specifications:

•  ^{Compatiblity: Arduino UNO, Arduino UNO R3, Arduino 2560, Arduino 2560 R}
•  ^{Standard Electronic Building Interface}
• ^{2.54mm Interface leads to pin}
•  ^{PS2 Joy Stick}
• ^{Bidirectional 10K resistor Cross Rocker, Multi Directional Rocker}
• ^{Resistance is tap related: X, Y voltage readout is approx 2.5V (Downward force readout is 5V, decreases in opp direction (min 0V)}
• ^{Dimensions: 4 X 2.6 X 3.2CM}
  
• ^{2 potentiometers for 2 axes 1 switch}
  
• ^{Connector: +5Vcc - GND - VRx - VRy - SW}