CTC Bizer 2 Dual Extruder 3d Printer, Factory Direct Lowest Price, 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 US, 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