Magnetic stirrer with compact design, easy to operate, 12v voltage for mobile use.Stir Plate also has stepless speed regulation,maximum speed 3000rpm, maximum stirring volume 3000ML Magnetic Stirrer Maintenance free brushless DC motor enable stable and strength operation,Frosted countertop are wear-resistant, corrosion-resistant and easy to clean Perfect for stirring in scientific research, industry, agriculture, health and medicine, homebrew, like brew ,wine making,Juice mixing and etc The magnetic stirrer is not suitable for high viscosity solution, the commodity is 100-240V US plug, no usb interface, can not be for use, please put the stirring bar in the beaker first, then slowly turn the speed knob so that the stirring bar can keep in sync with the rotating magnetic field. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC100-240V Colour:White Material:ABS Package Contents: 1 set x magnetic stirrer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.