1. 铝硬质阳极氧化处理底板 ALUMINIUM BASE WITH ANODIZED FINISH 2.内设电热化水仓 ELECTHIC HEATED STEAM DRYING CHAMBER 3.手拨式蒸汽伐门控制开关 VOLUME OF STEAM CAN BE EASILY AD JUSTED BY LEVER VALVE CONTROL 4.高精密度恒温器，可调较温度由110℃-200℃ HIGH STAND ARD OF THERMOSTATEN SURES PRECISE SETTING OF TEMPERATURE FROM 110℃-220℃。