So far everything is wonderful!!  The sound it makes when the preheat is done is not loud enough to hear in the next room even if the tv is not on. My only negative comment. Probably the timer is the same but I was already used to using the microwave timer so it’s a non-issue. Absolutely LOVE the small oven!!!  It’s the one I use most often. I was a little worried about using the lower oven. I’m 65 and don’t bend so well anymore. That was my only qualm about this oven when researching to buy. I needn’t have worried. I don’t have any issue using it at all.