Explorer 1 Publishing system consists of the WPB- 55T-210 Robotic Publishing base unit that has 2-DVD burners and 300 Disc imput capacity, an Internal High Performance PC, ships with Windows XP Pro, a Point Publisher that intergrates with the WPP-55T-200 Printer engine. Includes models WPB-55T-210 (Robotic Publishing Base Unit) and WPP-55T-200 (Die Submission Thermal Printer).