Larger Swing Angle: This fan heater supports 180 degrees of free rotation. With this design, heated air can be sent to a larger area. Rapid Heating: 3 seconds of rapid heating, this heater uses PTC ceramic heating elements for rapid heating. It can deliver high heat, but it also saves energy. Intelligent Temperature Control: When the temperature reaches a certain level (90 ?C), the heating will stop. When the temperature inside the fuselage drops to 75 ?C, the heating will be automatically restarted. Save energy most efficiently. 3-level Adjustable: 1800W, high heat, 1000W, soft heat and natural wind. This heater is useful both in winter and summer. Multiple Protection: The heater is equipped with two capture devices: overheat protection and tilt protection. When the device reaches 90?C or accidentally tilts, it will automatically turn off. The heater is also made of ABS flame retardant material (V-0 flame retardant material). These fans meet safety standards such as CE / Intertek / GS certification.