Magnetic Stirrer Plate Shape Round Plate Width 5 in Plate Dia 5 in Plate Material Stainless Steel Cover with Ceramic Load Capacity - Metric 20 L Speed Range 0 to 1500 rpm Number of Stirring Positions 1 Voltage 100/120 Watts 30 W Includes Timer No Operating Temp Range 5 Degrees to 40 Degrees C Overall Height 3 in Overall Length 11 in Overall Width 6 in Plug Style - Lab Equipment Standard Variable Speed Yes Load Capacity - English 2.2 gal Includes Power Cord Stir Bar