M-Audio Code 25, USB-Keyboard, 25 full-size keys, velocity-sensitive with aftertouch, four assignable zones for splits and layering, fully assignable xy pad for hid control, 16 fully assignable velocity-sensitive trigger pads, 4 assignable 360 encoders, 5 assignable faders, 5 assignable buttons, mackie/hui transport control, lcd provides instant parameter feedback, sustain and volume pedal input, usb-powered with 5 pin midi in and out, included software: ableton live lite, hybrid 3.0 and loom by air music technology, power supply not included - available optional, requirements min.: Windows 7 (32 and 64), Mac OSx 10.7.5, dimensions wdh: 528 x 257 x 73 mm, weight: 2,6 kg