CTC 3d Printer, Dual Extruder + New Extruder + Dual Nozzle, 8.8"x5.7"x5.9"build Volume, with Abs or Pla Spool Easy to use software for simple customization of 3D models More convenient use SD card alone to print 24 hours dispatched from CA, 1 year warranty whole machine Pre-installed extruder provides fast, out-of-box use Large build platform for bigger projects; Maximum build volume: 225 x 145 x 150 mm