4 Multi-unit Regular Magnetic Stirrer Hotplate 1 piece 110V or 220V. Multi-joint type magnetic stirrer , heating and mixing function Low noise, remarkable stirring effect, ideal lab testing tools, widely used in major institutions, environmental protection, scientific research, health, disease prevention, petroleum, metallurgy, chemical, medical and other units. Power supply: AC220V 50Hz or 110V 60hz. The diameter of round hotplate surface is 12.5cm.The machine is 56cm long. These charges are the buyers responsibility. We will track the item all the time until it is reached to you. Return accepted in 30 days after the item reached to you. Return package must be in the original packaging, everything must be in new condition. A good feedback is very important. We will work with you to solve any problems. If you have a question or concern before or after receiving your item, please do not hesitate to contact our customer service team by clicking on the "Ask a question" link in the bottom left. The item "4 Heads Multi unit Regular Magnetic Stirrer Hotplate mixer 110/220V" is in sale since Thursday, March 30, 2017. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Lab Equipment\Stirrers". The seller is "topmalls" and is located in Shenzhen . This item can be shipped worldwide.