PC-controlled and Windows-based operation interface Easily connected to a printer or other exterior devices via USB port 7'' touch screen display, full-color alphanumeric-capable graphical user interface(GUI) Visualized real time speed graphic display A virtually unlimited number of user-defined recipe programs Stainless steel coating bowl (optional polyethylene coating bowl) Optional auto-dispensing and nitrogen purge Rigid mechanical design protects the coating solutions from contact of drive system Leading resolution and repeatability standard of this industry Free technical support for the life of product via phone, e-mail, and fax. Technical specifications: Size: 19 inch X 14 inch X 11 inch Machine Weight: 19.0Kg Power: 110/220 VAC, 50/60 Hz, 1 Amp Vacuum: More than 2.1 CFM 40 process recipe programs on board Spin speed: 0 to 5, 000 RPM Spin resolution: 1RPM Spin repeatability: 1RPM 1s resolution for step time(Max. Step time 9, 999s) Spin speed acceleration: 0 to 30, 000 RPM/s unloaded Substrate sizes: 10 mm to 200 mm round.