Magnetic Stirrer Plate Shape Round Plate Length 3.5 in Plate Width 3.5 in Plate Dia 3.5 in Plate Material Polyethylene Load Capacity - Metric 1.5 L Speed Range 15 to 1000 rpm Number of Stirring Positions 1 Voltage 100/240 Display Analog Amps 0.5 A Watts 5 W Includes Timer No Operating Temp Range 5 Degrees to 40 Degrees C Overall Height 0.6 in Overall Length 4.7 in Overall Width 6.9 in Plug Style - Lab Equipment Standard Variable Speed Yes