Novation Remote Zero SL Keyless Midi Controller, USB MIDI with Automap Universal Technology Two large, brightly backlit 144-character LCD screens provide instant views of control names/values, and easy menu navigation Total of 64 assignable knobs, buttons and sliders, including 8 velocity-sensitive trigger pads, plus dedicated Transport controls The ideal MIDI companion lets you bring the power of Automap Universal to your studio, without having to change your favorite weighted keyboard Plug and Play USB connection with no drivers required for Windows XP or Mac OS X Fantastic 'Xpression' pad and adjustably sprung pitch/mod joystick, both freely assignable in MIDI Controlling mode