Precise control of current, voltage and frequency to achieve constant temperature and pressure. Fast temperature rise, smooth tin up and down, corrosion resistance, long life and durability. Intelligent digital display chip, double-sided circuit board Fast heating, high efficiency, small size and light weight, low energy consumption, with thermostatic chip. Ergonomic design, wear-resistant heat insulation silicone cover, comfortable and non-slip, Manufacturer: TRDEWR