1.3 in 1 Repairing System that combines the function of an Infrared welding tool, a soldering iron and a pre-heater. 2.Stable and adjustable Infrared welding tool holder for increased precision soldering. 3.Built-in vision shield design to protect users from harmful light rays. 4.Fully digital and programmable welding time /temperature, soldering temperature and pre-heating temperature. 5.Uses infrared heat wave technology instead of the conventional hot air, effectively solves the major problem being encountered when using the hot air gun, which is the movement of surrounding components while reworking. 6.Closed loop temperature control for instant and precise process adjustments.