You can enjoy the right temperature of your choice. Easy operation and quick water heating. The "MLTE Flash Warmer", a water heater that feels like a hot water server, comes out in about 2 seconds, so you can enjoy tea or instant coffee immediately. Since it can be quickly heated to hot water, it can be used as a "rest" during refreshment time or between work. The temperature can be adjusted in 5 steps, so you can use it according to your drinks and meals. 01) Set a plastic bottle in the main body. Set the bottle by turning the PET bottle with the special cap upside down and pushing it straight in from directly above. * Comes with two types of special caps 02) Select the temperature on the switch dial. Move the switch dial to select your preferred temperature range. * The temperature can be adjusted in 5 steps. 03) Press the switch dial once to heat water. Press the switch dial once to start hot water heating, and press it again to stop hot water heating. * Press and hold the switch dial for 3 seconds to unlock the child lock.