Pre-infusion function applies low water pressure at the start of the extraction to gently expand grinds for an even extraction 1600w thermocoil heating system with integrated stainless steel water coil accurately controls water temperature Auto purge function automatically adjusts water temperature after steam for optimal espresso extraction temperature.15 bar Italian pump provides complete volumetric control - preset, manual over-ride or re-programmable volumes Accessories: single & dual wall filter baskets, coffee scoop, stainless steel jug, cleaning disc & tablets, cleaning tool, water filter with holder. Please note: There is a "Black Plastic" insert inside the stainless steel bowl of the portafilter, th Please review the trouble shooting steps under product details for remedies for common faced for hustle free of the product