【Rapid heating】: This heater uses a PTC ceramic heating element to efficiently generate heat, which can quickly heat the room in 1 second. Through the wide-angle air inlet in the thermal cycle mode, the warm air spreads quickly, so you are no longer afraid of the cold this winter. 【Safe to use】: The main body of this heater is made of standard flame retardant materials, which are effectively flame retardant. Intelligent constant temperature and overheat protection and automatic switch-off protection prevent children from accidentally knocking over the heater and causing accidents. It is very safe to use. 【Quiet operation】: This heater has no light, no oxygen consumption, and quiet operation. The noise level is