All major parts made of steel or aluminumDurable and reliableAuto water level sensor for safe operationPlastic water jar or glass water jar for optionClean water usage, no need to put any chemicals or additivesRed line reminder on the water cup for water limitComes with an auto shut-off function for safety when the water level is too low Rolling wheels for easy movementSteam permeable to the pores, soften pores in the accumulation of grease, black, cosmetics residues and dirt in order to facilitate removalSteam can help skin pores excrete toxins, can temporarily soften wrinkles