... from top to bottom. The 1st and 2nd are hot-air heaters, the 3rd is IR preheating, temperature controlled within ±3 ... be adjusted the power consumption4,Offer all kinds of hot-air nozzle, it can rotate 360° With magnet, easy to install ... , and it can rework for any BGA package size7,powerful cross-flow fan rapidly cool the PCB board to improve efficiency; Also ...