The Photon 25 USB/MIDI keyboard controller is optimized for controlling and manipulating software via USB. The Photon 25 offers unique user customizable templates that can be placed on the front panel. It also consists of advanced features such as a high quality keyboard, X/Y joystick and high resolution knobs. Features include: Forty immediately accessible controls Twelve knobs with three active layers25-key, velocity-sensitive keyboard Great-feeling, super-high-resolution knobsX/Y Joystick to control Pitch Bend/Modulation or other parameters4-Character LED display Easy template placement for virtual instruments and digital audio workstations Twenty editable, storable configurations Three-way power: USB Bus Power, External adapter (Optional), or 4 “C" size batteries (Optional)Windows and Mac OS ready