1. Provided with three storage channel settings for CH1,CH2 and CH3 and can independedtly set the air volume and temperature of each group of channels. 2. Provided with botton lock and buzzer to avoid wrong operation. 3. Provided with mangetic control swith.The handle is placed on the handle holder to enter the sleep mode. Parameters can be set in the sleep mode . 4. The sensor closed loop ,microcomputer zero-crossing temperature control,high power,fast temperature rise,convenient,assurate & stable temperature adjustment,not affected by the air volume. 5. With brushless vortex fan,the air flow is adjustable and the range is large,which can be used for various purposes. 6. The system has automatic big air volume cooling function to extend the service life of the heating element and protect the hot air handle.escribe the details of the selling point above, attracting and providing trust to your potential users.