Parameters:Rated power: 25WRated frequency: 50HZProduct size: 104*130*20mmSingle gross weight: 223gMaterial: ABS+metal+electronic componentsFeatures:1. Made of high quality material, safe,non-toxic and odorless. It can be used to heat up the milk, tea, coffee, drinks and so on, Lightweight and easy to carry, solely takes little space. Automatic strength off to forestall overheating. three gear of temperature adjustment meet varied needs. Suitable for school, dormitory and office, delicate to use the cup cushion. Smart temperature LED electronic display. Please Note:1. Products consist of fully heating coasters, other accessories in the photograph isn't always included. The plug of this product is the China traditional version, please connect to the converter to use. It can only preserve your water warm, can&;t boil water.