RF-H7 RF4 600W 2in1 Dual Function Rework Station and 936 Soldering Iron For Motherboard PCB Repair Welding Tool. It's a combination unit featuring both a hot air gun and a soldering iron, designed for tasks like mobile motherboard PCB repair and welding. It boasts an HD touch large screen intelligent digital display for easy operation and temperature control. The hot air gun has a 600W output, and the soldering iron handle has a 50W output. It offers features like automatic sleep function when the handle is placed on its stand and an automatic eye rest function with adjustable parameters.