Description: Two timing modes: This thermostatic coaster has a four-hour and twelve-hour timing heat preservation design, and it will automatically shut down when the time is up. Rapid heating: Using PTC rapid heating technology, the milk can be heated quickly in 20 minutes, up to 70C. Multi-function: can heat tea, milk powder, coffee, milk, etc. Convenient to carry: 11515020mm/4.55.90.8inch, small size, not occupying space, easy to carry. Two modes: both heating and heat preservation, low power, also available in school dormitories. Specification: Rated Voltage: 110-220v Rated Power: 16w Rated Frequency: 50hz Constant Temperature 55c Gross Weight: 150g Size Chart: Thermostatic Coaster: 11515020mm/4.55.90.8inch Cup: 909080mm/3.543.543.15inch Package Includes: 1 Piece Thermostatic Coaster(with power cord) 1 Piece Thermostatic Coaster and 1 Piece Cup(with power cord) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!