One of the greatest things of this oven are the little jingles that it plays to let you know when it has reached the correct baking temperature, or when the timer is complete. My grown sons will press these buttons just to hear the jingle...LOL. I love that there is no visible bottom coil, yet somehow this oven works great. There isn't anything that I don't love about this unit. So glad I got it, and it's self-cleaning...YES!