Heating And Cooling Coasters - Black

Features: -Continuous cooling can be reduced to about 15℃. -Continuous heating can be increased to about 55℃. -Cups supporting ceramic, glass, metal and other materials. -Waterproof design: The heating plate is covered with a layer of thermally conductive glass, in case of occasional splashes, no need to worry about safety, easy to clean. specification: Power: 10W Size: 152X31mm Voltage: DC5V Cooling method: TEC semiconductor refrigeration Material: ABS tempered glass + aluminum plastic Scope: beer/beverage/juice/coffee/wine/yoghurt, etc.