The warmer will not boil water but keeps the temperature of your tea at 60ºC (140 F) constantly. Ideal for home and office use. Mug warmer keeps drinks at the perfect temperature so you can sip at your own pace. It features non-skid feet,Surface easily wipes clean, on/off switch and red LED indicates when warmer is on. This coffee mug warmer is also a safe, worry-free way to heat scented candles.