Studiologic SL88 Studio Lightweight Midi Controller with 88-Key Hammer Action Keyboard 88-key hammer action TP/100LR keyboard with After touch Compact, lightweight, extremely portable professional controller 3 default velocity curves and fixed curve with a programmable value; 6 editable user velocity curves Razor-sharp color graphic LCD-TFT display with 320 x 240 resolution; 3 XY stick controllers for real-time control; powerful new software editor Magnetic rail system works with Studio logic Magnetic Computer Plate and Magnetic Music Stand (each sold separately)