Magnetic Stirrer Plate Shape Round Plate Dia 5.3 in Plate Material Plastic Load Capacity - Metric 1 L Speed Range 200 to 2200 rpm Number of Stirring Positions 1 Voltage 100/240 Display Analog Amps 0.4 A Watts 5 W Includes Timer No Operating Temp Range 2 Degrees to 40 Degrees C Overall Height 1.85 in Overall Length 7.2 in Overall Width 5.2 in Plug Style - Lab Equipment Standard Variable Speed Yes