Swan Retro 3.5L Slow Cooker 3 Temperature Settings Keep Warm Function 200W - Red. Benefiting from three settings, low, high and automatic, the Swan Retro 3.5L slow cooker has a removable ivory colour ceramic pot, which can be taken straight to the table for serving. The low setting gently simmers food, while the high setting is great for cooking beans or pulses, as well as baking winter dishes such as crumbles. The automatic setting starts a dish on the high setting, which can be used to brown meats, before switching to low for the remainder of the cooking time, perfect for stews. , while the handy keep warm function will keep dishes at the ideal serving temperature.