about this project 3 Temperature Settings to Keep Coffee WarmOur electric mug warmer can slow down the cooling speed of hot drinks; mainly to keep your coffee, water, milk, tea and other drinks at the perfect temperature for a long time, you can Enjoy your favorite beverage at the perfect but not too hot temperature. You can choose the temperature by touching the "Temperature button" to keep or heat your drink up to 130F/150F/176F. 2-12 Hours Timer & Auto ShutoffThis thermos mug has an automatic shutdown function after working for 4 hours. After turning off the machine, the blue light flashes for a while to remind the warming plate is still hot. Touch button to set auto off time (2H, 4H, 6H, 8H, 10H, 12H) Equipped with LCD display, it makes this coffee mug warmer more smart to use. Larger Heating Area Fits Most CupsThe 5.5 inch large heating panel coffee warmer is suitable for all coffee or tea lovers. Please do not use plastic or double wall thermos. Use thin-walled, flat or slightly concave cups for best results. Suitable for tableware, stainless steel mugs, ceramic mugs, milk cartons, glasses, etc. Safe and DurableThe cup warmer with high-tech material makes the coffee warmer heat and fire resistant. Spill-resistant design avoids damage and makes cleaning a breeze. Please keep it out of the reach of children to prevent burns. BEST GIFT CHOICESimple and stylish design, keep drinks warm all day, a good gift for lovers, dads, moms, wives, husbands and all loved ones on Valentine's Day, Thanksgiving Day, Christmas and other special festivals Occasions where gifts show concern.