Samsung NV7B41403AS Bespoke Multi-Function Smart OvenBespoke Multi function Smart Oven 70L Natural Steam Enjoy deliciously juicy, but crispy food. To use Natural Steam* simply place the dedicated tray on the bottom of the oven and pour water onto it. This then creates steam while you are cooking. It helps retain foods natural moisture, so it is juicy and tender inside, but brown and crisp outside. Catalytic Cleaning Save yourself the time and effort of scrubbing the oven. A Catalytic Cleaning* system