Fangrui Product Details [fast Stirring Mixer]speed Range Is 200-2000rpm For Added Flexibility Depending On The Liquids Density Or Your Project Needs. The Speed On Our Magnetic Mixer Is Easily Controlled By A 3d Knob For Quick Adjustment. [small Size,large Capacity ]the Mini Lab Mixer Requires Little Bench Space When In Use. The Anti-slip Foot Pad Prevent It From Sliding Around In Your Lab, Home Or Workspace. This Little Chemical Mixer Has A Powerful Brushless Motor And Can Hold Up To 2000ml Of Liquid Volume. The Working Pan Diameter Is 4.57inch, Making It Convenient For Beakers And Other Vessels. [lab Equipment Quality]the Lab Magnetic Stirrer Is Made From Lab-quality Materials. The Powerful And Efficient Brushless Motor Is Smooth Operation And Has Long Life.the Panel Marks The Center Where The Magnetic Force Can Be Strongest, Help To Hold On The Stir Bar And Preven It Flings Of. [scientific Precision ]magnetic Stirrer Adopts Inernational Advanced Design Concept And Manufacturing Technology, Smooth And Appearance , Comp