3 Seconds Heating: The fan heater uses advanced ceramic heating elements, PTC heating sheets and aluminum foil. Heats up quickly in 1 second, reaching 3°C in 40 seconds. It generates more heat than an ordinary heater and is more energy efficient. The gentle heat flow and fast heating speed are perfect for keeping you and your family warm this winter. 【Safety Design】 The ceramic heating shell is made of PP material and has built-in professional ceramic heating elements, mechanical rocker switches and indicator lights. Designed with overheating protection. The power can be cut off when the temperature is too high, you will never have to worry. 【Suitable for Various Occasions】 Constant heat makes you feel comfortable in different places. This heater can be used for work, study, entertainment, etc.