1.Sensor closed loop control the temperature, high power,rapid heating,accurate and stable temperature not affected by the air volume, truly effect non-lead soldering and de-soldering. 2.Volution airflow adjustment, large but incomparable soft airflow.Have adjusted temperature functions,Easy to operate. 3.Intelligent cooling system,can prolong the service life of element and protect the hot air gun,the power will be cut off automatically 1 minute after you turn hot air gun off . 4.Adopt miniature design so that it can save the desk space.Aslo it is nice and durable. 5.import brushless fan,low noise.