This microwave is from 2015. I did a basic cleaning, but there are some stains that couldn't be removed. It works without any problems. The following is AI output: A single-function microwave made by TWINBIRD with an output of 800W. Designed for ease of use with a spacious interior. - Brand: TWINBIRD - Output: 800W - Function: Single-function - Interior Size: Spacious interior - Control Panel: Button-operated Thank you for viewing.