Description: Material: Coffee Warmer is made of ABS and electronic components and can be used for a long timeSize: Mug Heater is 13cmx13cmx7cm in size, which does not take up too much space. It has a large heating surface and conducts heat faster and more evenlyMultifunction: Electric cup Warmer is compatible for cups of various styles and materials, and flat/thin bottom utensils have faster heating effectsFast heating: Beverage Mug Heater can heat up quickly, heating in 3 seconds, faster and more energy savingTemperature adjustment: Thermostat Coaster has four temperature adjustment levels (50C/60C/70C/80C),2.8 hours automatic shutdown ( 8 hours of heating function turned on) Size Chart: 13cmx13cmx7cm/5.12inchx5.12inchx2.76inch Package Includes: 1 Cup Warmer1 Power cord(US plug) Note: Please allow 1-3mm measuring deviation due to manual measurement.Due to the different and light effect,the actual color of the item might be slightly different from the color showed on the pictures.