Magnetic Stirrer Plate Shape Rectangle Plate Length 19.5 in Plate Width 8 in Plate Material Stainless Steel Load Capacity - Metric 4 L Speed Range 0 to 1100 rpm Number of Stirring Positions 10 Voltage 100/120 Watts 30 W Includes Timer No Operating Temp Range 5 Degrees to 40 Degrees C Overall Height 2.5 in Overall Length 24 in Overall Width 8 in Plug Style - Lab Equipment Standard Variable Speed Yes Load Capacity - English 135 oz Includes Power Cord Standards CE TUV