A:Answer Hi boo777,
Thank you for reaching out and we hope you are in good health. We appreciate your interest in Samsung home appliances, specifically with Samsung - 1.6 Cu. Ft. Over-the-Range Microwave - Stainless steel.
This microwave is equipped with a cooktop light bulb that can be either High, Low, or Off. The low setting may be used as a night light.
I have included the user manual link below. Please click on the link and turn to pages 3 - 4 for the cooktop light.
https://downloadcenter.samsung.com/content/UM/201605/20160504101012134/Nonsensor_XAA_DE68-03970B-05_EN.pdf
Please feel free to communicate with us through the channels below if you have additional questions.
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Your reference number: 1144323815
Leo