Quality: Excellent Control USB Encoder. High Quality 8 way joystick. LED Buttons Good lighting effects. Fonction: DC 5V Arcade Illuminated Pushbutton, 8 ways Joystick Use Microswitch with gilded contact leg, excellent electronic performance, long life, reliability tested to 1,000,000 cycles! Hole Size: Joystick - 24mm. Large Buttons-30mm.