Parameters:Rated power: 25WRated frequency: 50HZProduct size: 104*130*20mmSingle gross weight: 223gMaterial: ABS+metal+electronic componentsFeatures:1. Made of tremendous material, safe,non-toxic and odorless. It can be utilized to warmth up the milk, tea, coffee, drinks and so on, Lightweight and simple to carry, only takes little space. Automatic power off to prevent overheating. 3 tools of temperature adjustment meet various needs. Suitable for school, dormitory and office, clean to use the cup cushion. Smart temperature LED electronic display. Please Note:1. Products include entirely heating coasters, different equipment in the picture isn't included. The plug of this product is the China ordinary version, please hook up with the converter to use. It can solely hold your water warm, can&;t boil water.