ZENY 858D Hot Air Gun Rework Station SMD Solder Soldering Digital 3 Nozzles Comfortable portable handheld and the Digital LED display, build-in SAMSUNG Microcomputer Control, Warning-Up Quickly. Intelligent system that could alarm, fault detection automatically. Hot air rework station is ESD-protected. Safe solder QFP, PLCC, BGA and other temperature-sensitive components.Also for Heating Shrink, Viscosity Removal, Lacquer Removal, Preheating. Closed circuit Sensor, microcomputer zero-crossing soft touch temperature control, LED visual display, high power, rapid rise of temperature, accurate and stable temperature, little influence of air outflow, and unsoldering without lead. Adjustable airflow, large and soft airflow, easy adjustment of temperature, suitable for multiple usages.