Long-lasting warmth: Digital Contact constant temperature coaster bs you long-lasting warmth. 2 levels of temperature adjustment, choose the drinking temperature that suits you.Extensive features: Coasters focus on heating to maintain a constant temperature. The induction switch is easy to operate. The toughened panel is waterproof and easy to clean.Timing button: a total of 1 to 9 hours adjustable, so you can set the time at will to maintain a constant temperature. Level button: There are first and second levels. The first level is high temperature, and the second level is low temperature.Automatic recognition: The coaster can automatically recognize the heating of the liquid in the cup. If it is empty for 5 minutes, the coaster will automatically shut down.and beautiful: The coffee cup heating coaster is thin, light and beautiful. It is an perfect gift for colleagues, family, parents and friends. Take good care of your familyName: Electric coasterPower supply mode: plug and play (including power cord)Display: YesTiming function: Yes (1 to 9 hours)Anti-slip foot pad: YesVoltage: 110VPower: 18WUses: hot milk, coffee, beverages, tea, water, etc.Colour: BlackMaterial: aluminum alloy + tempered glassPackage Contents:1 x Coaster