Alesis V25 MKII; USB MIDI controller keyboard with 25 velocity-sensitive keys; 8 velocity-sensitive trigger pads with note repeat and full level function; Arpeggiator with 6 modes, tap tempo and adjustable time division, gate and swing; 4 assignable knobs; pitch bend and modulation wheels; octave up/down buttons; sustain pedal input (6.3mm jack); USB 2.0 (bus-powered); included MPC MPC Beats software package with 7 Expansion Packs and 60 free lessons by Melodics; dimensions: 430 x 244 x 94 mm (WxDxH); weight: 1.75kg