Features:Quality Material: This soldering iron set is made of quality material, which is wear-resistant and sturdy, not easy to break, and can be used for a long time.Exquisite workmanship: This tool has exquisite workmanship and excellent material, which can bring you a good use experience.Adjustables temperature design: This soldering iron can accurately adjust the temperature to adapt to different welding conditions. You can adjust the temperature using the knob on the soldering iron.Fast heating and heat dissipation efficiency: Our upgraded steel tube design has better heat dissipation efficiency, and the larger new soldering iron dissipates heat more effectively and better.Widely used soldering kit: This soldering iron set can be widely used for soldering circuit boards, repair equipment, computer hardware, watches, small electronic products, soldering jewelry and DIY. This soldering iron kit is suitable for beginners, welders, mobile devices and more.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementWorking voltage: DC9-24VTemperature: 100-450 (180-842)Screen: 0.96IPS high-definition color screenPower supply: type-cSupport fast charging protocol: PD-QCPower: 100W (maximum)The difference between HS-02A and HS-02B:1. Different motherboards2. Different soldering iron tips, which are not universalA has 6 types of soldering iron tips to choose fromB has 3 types of soldering iron tips to choose from)3. Different tin melting timeHS-02A: 5SHS-02B: 2S(Because the HS-02B soldering iron tip is smaller and heats-faster)Package List:1X Electric Soldering Iron Set