1. It adopts brushless vortex fan and integrated air outlet design, with large and soft air volume. 2. Standard with eight air nozzles:direct air 7#, 10#, spiral air 10#, 12#,diagonal air nozzle 12#, 10#, 7# suitable for different use needs of direct air and cyclone. 3. Press the key to adjust the temperature and air volume accurately. 4. It has 3 working channels, and the air volume and temperature of each channel can be set and stored arbitrarily. 5. Convenient real-time operation, with magnetic switch control, the handle is placed on the handle frame and immediately enters the sleep state. 6. Parameters can be set in sleep state. 7. Sensor closed loop, microcomputer zero crossing trigger temperature control, high power, rapid temperature rise, convenient, accurate and stable temperature regulation, not affected by air output. 8. The system is equipped with automatic large air volume cooling function to prolong the service life of the heat generator and protect the hot air handle. 9. Celsius / Fahrenheit (℃ / F) conversion. 10. Temperature calibration. 11. Buzzer on / off.