This PS 2 dual shock 2 controller includes all the functions of digital joypad and Same as the original dual shock2 joypad. Twelve Analog keys in 3D mode add variety and intelligence in operation. Additional Features: - Compatible to the software supported by PSI, PS One and PS2. - Support DUAL SHOCK game, with two different Motors inside, produce two different vibration effects. - Support memory card operation and more than one player at the same time - Support digital and analog controlled game - One Direction key with eight directions controlling correctly and eight independent control keys. - Two independent 3D control pads and two control keys. - Switch to twelve Analog including Direction key and eight control keys, game itself may produce different change and results as the vertical force and degree. - Color: Black - All keys are fully compatible with SONY PS2.