... removal, viscidity removal, ice-out, pre-heating etc.Features ♦ Hot air temperature and volume adjustable,ideal for QFP,SOP,PLLCC ... stable temperature output ♦ Pulses heating method,protect heating element,hot air blower from overheating,thus prolongs the machine's service ... When not in use,auto cooling mode will be initiated by putting handle on the stand Specifications Input VoltageAC220V 50HZ/AC110V ...