Digitech RP500 Modelling Guitar Processor - 99 user & 99 factory, DNA2 audio processor, USB connection, 9 metal footswitches, integrated expression pedal, tap tempo function, 18 distortion models, 53 amp models, 22 speaker models, 53 effects, 20 second looper, includes software, Apple iPad/iPad2 compatible with optional Apple iPad Camera Connetion Kit, Dimensions: 500 x 65 x 225mm. Weight: 3.6kg, incl. power supply (Digitech PS 913)