【190W SOLDERING IRON KIT】: Made of high quality ceramic core and 190W high power, it can be quickly heated to the set temperature, effectively improving work efficiency. Equipped with upgraded high quality soldering tips (5 replacement tips), customized large size, multi-layer plating, fast heat transfer, easy to replace. 【LED DIGITAL DISPLAY】: With a larger LED display and a non-slip touch "+"" - "button, the soldering gun can adjust the temperature between 180°C and 500°C (356°F and 932°F). The calibration function ensures accurate temperature control. In addition, the temperature can be easily switched between °C and °F. 【AUTO SLEEP & COMBINATION LOCK】: After the sleep mode is activated, the soldering pen automatically enters the sleep mode (1-30 minutes) when not in use. An onoff switch allows the user to turn off the soldering iron when not in use, and a combination lock can also be set. These safe and energy-efficient features also prevent children from accidentally touching the iron. 【ADVANCED TECHNOLOGY】: The solder kit meets a variety of testing requirements. Upgraded steel tube design with four vents to increase cooling rate during welding interruptions. Ergonomically designed handles and silicone sheaths ensure that welding projects are comfortable and safe for long-term use. 【ESSENTIAL SOLDER KIT】 : 1 Solid wood storage box, 5 high quality soldering tips (larger version), 1 heat resistant soldering iron holder (with wider, more stable), 1 cleaning sponge, 1 rosin flux, 1 solder wire, 1 solder sucker and 2 tweezers. Suitable for beginners and welders to weld circuit boards, home DIY, crafts, repair mobile phones, electrical and electronic products.