Feature: 1, Made of advantageous plastic material, safe and non-toxic, odorless and healthy, It can be utilized to warmth your milk, tea, espresso and so on, Lightweight and portable, clean to carry, it's going to not occupy lots space, It can be used persistently and durable for very long time use, three equipment of temperature adjustment, Suitable for school, dormitory and office, smooth to use the cup cushion. Tips: 1, The plug of this product is the China normal version, it may be used veritably with the converter product doesn't include a converter, you should buy it yourself!2, Products encompass solely heating coasters, various kit demo in the photo isn't included. Specification: Working strength :20WInput voltage :110-220VGear temperature: 55°C /65°C/75°CProduct length :182*124*44mmMaterial: ABS+Silicone+Electronic componentsHeating elements :PTC semiconductor heatingConstant temperature formula :NTC detection