Product review (4 stars): nice product but one problem
One thing to be aware of is that the buttons are actually heat sensors, meaning that it senses not a push but the heat from your fingertip. This could cause an interesting (or annoying) phenomenon, that is, when you heat up a pot of soup, the rising steam could touch the light button continuously and this would cause the two halogen lights to continuously cycle through three levels of dimming and also automatically reset the cumulative use time intended for cleaning after every 30 hours. Meanwhile, you can't even shut down the power, nor stopped the cycling by holding the light button for three seconds. I figured out this might due to the heat sensor by stretching out my hand right below the light button so to block the rising steam, and that stopped the cycling immediately. So if you run into the same problem, try what I did. We have run into this at least three times now after having it for only a couple weeks.