180 to 500°C in 15 seconds! This small soldering iron pen has outstanding electrical conductivity, high performance, and is durable to use. The Display can accurately display the operating temperature in real time, making it easier to treat fine workpieces. there is a heat proof high temperature cap provided. the soldering bit has air cool system for faster heat dissipation This 60-watt mini soldering iron features improved heat-resistant construction. The device can heat up in 15 seconds, due to its superior ceramic heating core. You may adapt the 180–500°C adjustable temperature designed for various soldering work situations.