1. Closed loop sensor, temperature controlled by microcomputer and LED display which lead to steady and accurate temperature. It makes the non-lead desoldering come true
2. There is a sensor switch in the handle, the system enters the work-mode as long as you hold the handle, and it enters the standby mode when the handles is put back to the holder
3. The System has the automatic cooling function, which can protect the heat gun and extend the life of heating device
4. Temperature Range: 100 ~ 450 degree centigrade