Product informationOperation mode: mechanicalTiming function: no timingPower supply mode: ACRated voltage: 220 (V)Rated power: 16 (W)Rated frequency: 50 (Hz)Is it a patent source?Color: A: constant temperature coaster (touch switch), B: constant temperature coaster set (touch screen switch), C: constant temperature coaster (USB + gravity sensor switch), D: USB constant temperature coaster set, E: constant temperature coaster (Three levels of temperature adjustment), F: constant temperature coaster (plug gravity switch), G: green constant temperature coaster (plug gravity switch), H: green constant temperature coaster set (plug gravity switch), I: green constant temperature coaster ( USB+gravity switch), J: green thermostatic coaster set (USB gravity switch), K: white gift box set (plug + gravity switch), L: pink gift box set (plug + gravity switch), M: bullish gift box set (plug +Gravity switch)Size Information: