The Hoefer GD2000 Vacuum Gel-Drying System uses a dry-heat vacuum method to dry gels quickly, evenly, and safely.Complete Systems (GD2000-115V, GD2000-230V) include:• GD2000 Gel Dryer with Silicone Rubber Overlay• VP200 Vacuum Pump• Stainless Steel Screen• Porous Polyethylene Cover Sheet• 3 m Vacuum Tubing• 50 Sheets Porous Cellophane• Mylar® Cover Sheet• 10 Sheets Filter PaperBasic Units (GD2001, GD2002) include:Same as above, excluding the VP200 Vacuum Pump and Vacuum Tubing.Technical Specs:• Maximum Operating Ranges: Heater 800W, thermostatically controlled• Independent Pump Outlet: 575W• Power: 115VAC or 230VAC, 50/60Hz• Environmental Operating Conditions: Indoor Use 15-40°C, Humidity Up to 80% for 15-31°C, decreasing linearity to 50% for 31-40°C • Dimensions (cm): 55.0 x 8.5 x 43.5• Safety: EN61010-1, UL61010A-1, CSA22.2 1010.1, CE