Studiologic SL88 Grand 88-Note Graded Hammer Action Keyboard 88-key graded hammer action keyboard Real wooden keys with ivory touch Three contacts per key with note-on and note-off velocity + after touch 6-way control knob; 3 function buttons; 4 programmable zones; 4 programmable pedals connectors; 3 programmable sticks controllers TFT Color graphic display (320x240) with intuitive navigation