One of a Xiaomi Ecochain product normally $99. Very convenient, boil a cup of water in a few seconds. Only boil what you need. For those who are not familiar with these things, Work similar to those coffee pods where boiling water inject through the coffee pods except there is no coffee pods in between, all you get is instant hot water.
4 temp button, room temp, 45c, 75c and boil. Been using it for few years, cant fault it.
note: bought one from this seller for my parents 2 days ago, it arrived today.