Features: This machine selects permanent magnet dc motor, and is equipped with force-increasing speed regulation circuit. It features force-increasing function, big function, small voice, stable speed and continuously adjustable speed. It can be used for precise and stable stirring of liquid solution in a wide range of speed, especially for stirring large volume samples. With mechanical timing function Matched with control box, it can be operated away from the table An indispensable basic equipment for stirring various liquid phase chemical reactions in laboratory. Widely used in colleges and universities, environmental protection, health and epidemic prevention, medical, metallurgy, chemical, food and other laboratories. Specification: Voltage: 110V/220V(Optional) Plug type: EU plug, US plug(Optional) Motor power: 100W Speed: 200-2600 RPM Weight: Approx.8600g/303.4oz Package list: 1 x control panel 1 x 100W motor 1 x Stainless steel stirring rod 2 x Connecting rod 1 x clip 1 x black base 2 x plastic cross connector 1 x English manual