Studiologic Fatar Acuna 73, Masterkeyboard with 73 keys (TP100 Hammeraction with aftertouch), Pitch Wheel, Modulation Wheel, 4 programable Zones, 3x Presets for touchsensitivity, 2x independent MIDI Outputs, Controls: 5x Encoder and 6x Buttons, USB Port compatible with iOS 4.2 (Apple iPad, iPod, iPhone), Connectors: USB, MIDI In, 2x MIDI Out, Breath Controller In, 2x Pedal In (programable), included: External Powersupply, getting started manual. Dimensions: 107 x 35 x 11,5 cm (LxWxH)