Coffee Mug Warmer, Wellcows Warmer Coaster Desk Auto Shut Off Heater Beverage Tea Water Cocoa Soup or Milk Warmer For Office and Home SAFE AND RELIABLE: This product uses low-power heating element, safe 16 watt low-power insulated tempered glass to make heat conduction fast, and high safety factor. With four non-slip feet, it is comfortable to place and safe to use. INTELLIGENT SWITCH: The temperature of the cup is controlled by the induction system. The cup can be automatically heated by putting it on the cup. The cup is taken down and heated to stop automatically, without having to manually open the switch. This is a great tool to help you drink hot drinks all the time in cold weather! CONVENIENT OPERATION: just place the cup in the circle of the insulation base, the microgravity switch placed at the bottom will be turned on, the indicator light will be on, and it will enter the constant temperature working state. When the thermostat is not required, the cup will be removed from the thermostatic base and heating will stop. MULTI-PURPOSE: If the cup is filled with boiling water, the water temperature will slowly decrease to about 52-55 degrees; if it is cold water, it will slowly heat up to 52-55 degrees. Suitable for most coffee cups, ceramic cups, stainless steel cups, etc. However, it does not apply to concave bottom cups, insulated cups, and can not withstand cups and thick bottom cups above 70 C. 100% RETURN GUARANTEE: When you are not satisfied with our products, we will provide a 100% return guarantee. If you have any other questions, please do not hesitate to contact us.