Features: Intelligent constant temperature electric soldering iron, rapid temperature rise and adjustable constant temperature Long lifespans ceramic heating cores, low carbon and environmental protections, energy saving and high efficiency Convenient and fast designs, bid farewell to the problems of difficult replacement of heating cores and welding, and just twist the sleeve to replace the heating cores, saving time and effort and high efficiency Powered by DC24V 100W, this soldering iron set ensures efficient and effective performances for all your repair tasks. Wide range of application, suitable for various repair purposes of electronics and chip boards, welding, jewelry, guitar, watch, wiring, mobile equipment, computer hardware, small electronic products, TV capacitors or accessories, children's jewelry, handicrafts, etc. Specifications: Component:Metal Working voltages: DC9-24V Power: 100W Output Temperature:100-450 Screen:0.96'' Interfaces:USB C Package Includes: 1Set Soldering Iron note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.