Specification:Item Type: Magnetic Stirrer Material: ABS + Tempered Glass Product Size: Approx. 12.5 x 11.5 x 3.5cm / 4.9 x 4.5 x 1.4in Working Plate: Approx. 116mm/4.5in Control Method: Single Rotation Motor Type: Micro Motor Motor Power: 5W Maximum Stirring Volume: 1L Speed Range: 600-4000 Rotational Speed Rotation Direction: Clockwise Weight: Approx. 260g/9.1oz Package List:1 x Stirrer1 x Stirrer Head1 x USB Cable1 x Manual Note:Manual measurement, please allow some errors. Efficient And Stable: The magnetic stirrer adopts a 5W high power brushless motor, which runs smoothly and efficiently, has a compact and firm structure, and has a long service life. No Noise: The center position of the strongest magnetic force is marked on the panel, which helps to fix the stirring rod and prevent it from shaking, no noise, and quiet operation at night. Compact: Small magnetic stirrer, save work space for you, easy to store, large capacity, maximum 1L stirring volume, can be used for different size containers, light and portable. Multi Purpose: Widely used in scientific research, industry, agriculture, health, medicine, etc, and can also be used for homemade beer, such as brewer's yeast, brewing, sauce, etc. Liquid Stirring: Magnetic stirrer is an instrument mainly suitable for liquid stirring, mainly for stirring low viscosity liquids or solid liquid mixtures, not suitable for high viscosity solutions.