Three working channels. Password protection. Key lock function. Automatic sleep function. CH1, CH2 and CH3 can set the air volume and temperature of each channel. Easy to operate in real time and has magnetic (control) switch control. With brushless vortex fan, the air flow is adjustable and the range is large. Hot air rework station hot Gun Soldering Station with 3 air nozzle 1300W Desoldering Station