Comfortable portable handheld and the Digital LED display.Microcomputer control,warming-up quickly.Adjust the air flow and temperature control rotation.Refer to the instructions included with three kinds of nozzles (big,medium and small) replacement part.Would replace the part if the resistance value is incorrect.When the temperature is less than 70C, can stop rotation automatically.Safe solder QFP, PLCC, BGA and other temperature-sensitive components.