[Two-layer temperature setting]: The coffee cup heater has a built-in temperature control chipset module, defrosting and constant temperature function, so that your beverage can be at a constant temperature of 100-122(40-50) or 122-144( 50-60). All day long, enjoy hot coffee, tea, drinks, milk, etc. It can be used at any time in winter.[1-12 hours timed off]: The mug heater has a sensitive gravity switch, no need to manually turn off the switch. When the mug leaves the base, the mug heater will stop working. This coffee cup heater can be set to turn off regularly for 1-12 hours. When you forget to heat the mug, don't worry, the coffee heater will automatically stop after 8 hours.[Best gift choice]: The beautiful and compact design keeps your drink warm all the time. This cup set is a warm gift, suitable for lovers, fathers, mothers and all your loved ones to wear on special days such as Valentine's Day, Thanksgiving Day, Christmas, etc. It is a good gift to express your love and care.[Suitable for most cups]: This cup heating plate has no grooves to limit the cup size, and is suitable for flat tableware, stainless steel cups, mugs, milk cartons, glasses and high-temperature plastics. Tip: Use a thin-walled mug with a flat bottom to get the best insulation performance.[High quality and low power consumption]: High-tech materials are used to make the coffee heater heat-resistant and fire-resistant. The coffee cup heater uses waterproof tempered glass, which is easy to clean. If you accidentally spill water on the cup warmer, there is no risk of electric shock. Only 18W working power, quiet and environmentally friendly.Plug Type:US Plug,it applies to Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan and so on.colour: blackMaterial: ABS + tempered glassSize: about 11.5x11.5x2cmPackage Contents:1 x Heating Coaster1 x English instruction manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.