Hello Lulus! I invite you to read the user manual of the unit, especially from pages 8 to 17 which explain the features of this microwave. <https://bit.ly/2GX0uAB> You can also find some more information regards the product. For further assistance, please contact us via:
LiveChat or Email: https://www.samsung.com/us/support/#contact_us_for_support
Facebook Messenger: http://m.me/samsungsupport
Twitter: https://twitter.com/messages/compose?recipient_id=18768513
Toll-free calling: 1-800-SAMSUNG
^Rafael