Features: 1Smart gravity-induction mug warmer for Coffee tea milk hot chocolate or candle wax heated beverages from 40C to 60C. 2Gravity induction technology auto on/off the warmer auto activates when you place your mug on it and shuts off when the mug is removed. 3The insulation base is suitable for all kinds of flat-bottomed cup. The size of the bottom of the cup cannot exceed the heat-generating area of the glass. 4CE & PSE certified patented waterproof design stylish smooth glass layer on the top make it easy to clean. 5It will be your best gift choice on Mother's/Father's Day Thanksgiving Christmas or other special occasions. Specification: Diameter: 120mm / 4.7inThickness: 20mm /0.79inMaterial: ABS+ tempered glassWeight: 220 gramsLine length: 1.5M / 59inIntelligent thermostat: 40 to 60Switch mode: touch switchThree kinds of prompt lights: blue: low temperature heating red: high temperature heating pink flashing: standby Package List: 1 x Cup Warmer1 x Manual Note: Cup is not included