Alesis V 49

Features:
49 full-sized, square-front keys
8 velocity-sensitive backlit pads for beat production and clip launching
4 assignable knobs and 4 assignable buttons interface with your music software
Octave Up and Down buttons let you access the full keyboard range
Pitch and modulation wheels deliver expressive, creative control
Seamless, visual feedback via illuminated buttons and knobs
USB power and USB-MIDI connectivity for Mac and PC
Production software included: Ableton Live Lite 9 and Xpand!2 by AIR Music Tech (downloads)
Included:
V49 USB-MIDI Controller
USB Cable
Ableton Live Lite (Download)
Xpand!2 by AIR Music Tech (Download)
User Guide
Safety & Warranty Manual