Specification : Single plate Size :100mm Input voltage : 220v Electric power : 500W Features: -Portable design, reassuring use design, an essential home appliance in your home. -Various heat operations, DIY your delicious food with it. -Overheat protection and operating on/off indicator light, it is safe for you. Usage method： 1.The first boot to 5-10 minutes, then there may be a small amount of smoke discharge, because the furnace surface layer of protective film evaporation generated, this is a normal phenomenon. 2.Containers placed on the furnace must be flat bottomed, in line with the size of the electric heating plate. 3.Please note that the size of its utensils, larger than the heating disc will affect the heating efficiency. 4.If the bottom of the vessel is not smooth, it will not be used. Note : The original plug of this product is EU plug and the voltage of it is 220V,it do not suitable for some country