Thermostat for Your Beverages --- The mug coaster heater is built in thermostat for keeping your beverages (tea, coffee, milk tea etc) at the perfect temperature from the first sip to the last drop(55). Kindly note the desktop beverage warmer only canbe used for keep water warm, can't boil water. Smart Touch Switch --- The electric beverage warmer with smart touch switch regulation design, easy to operate. Blue light indicates low temperature heating(40~50), red light indicates high temperature heating(55~60). Auto Cut Off --- The coffee cup warmer is adopted heat resistant Ink-crystal panel, you don't need to concern for splashing water on the heating plate by accident, as you just need to dry it with a rag. 8 hours automatically power off control, noworry of forgetting turn off, safe to use. Safe Durable --- The mug warmer for desk is made of aluminum shell and heat resistant glass panel, sturdy and durable. It also has 4 non-skid feet at the bottom to support your mug and prevent spills. Warm Winter Gift --- The electric cup warmer pad is suitable for tableware: metal, ceramic, enamel, tile, high temperature plastic, glassware etc. It is a fantastic birthdays/holiday/Christmas gift for coffee drinker or the tea perfectionist, itis also a great gift for the people who are sensitive to cold.