Novation Launchkey 49 [MK3] MIDI Keyboard Controller for Ableton Live

Deep Ableton Live Integration – Immediate access to all the controls you need and never lose ideas or happy accidents with the Capture Midi function.
49 Velocity-sensitive keys and 16 velocity-sensitive pads enable expressive and dynamic performance. Tweak instruments and effects to perfection using the eight rotary encoders and nine 45mm faders.
Three chord modes (fixed, scale and user) let you trigger chords with one finger. The powerful arpeggiator will take you to new melodic, harmonic and rhythmic places.