Just the right size, reasonable wattage that doesn't dim the lights like some.
It's FAST. Just put in the amount of water you want to heat - why fill it all the way up and wait and waste those electrons. Yes, it does not have a thermostat or an on-off switch. It _does_ have a safety switch that will shut it off if you forget to fill it or walk away and forget it. Bottom gets more than warm - use a hotpad under it to spare your countertop. We got about 5 years out of our 1st one, and we're keeping a spare in case they decide to stop making them.