Heating and stirring can proceed simultaneously. Enclosed heating plate with characteristics of flame protection, fast warm-up and durability. Heating power and stirring speed is adjustable. These charges are the buyers responsibility.We will track the item all the time until it is 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 "SH-3 Lab Hot Plate Magnetic Stirrer Digital Lab Mixer 1717cm 220V" is in sale since Friday, September 23, 2016. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Mixers, Shakers & Stirrers\Magnetic Stirrers & Hotplate Stirrers". The seller is "topmalls" and is located in Shenzhen, Guangzhong. This item can be shipped worldwide.