This lightweight immersion heater is perfect for heating water on the road whether that as for coffee tea hot chocolate or even soups. You won t have to waste money on an overpriced cappuccino spend sightseeing time searching for a coffee shop or worry whether your next hotel will have a water heater. It works on trains planes hotels or anywhere with an electrical outlet and you can use it with two different Alternating Current (AC) systems including 120V which is more common in North America and 240V which is more common in Europe and other parts of the world. It also includes a European adapter plug so you don t have to purchase that separately. It s sleek portable and easily fits inside the included pouch. The durable burn guard ensures that the coils don t touch the sides of your mug or cup. You can even use it in the office or at home. Please note that you should first fill up your container with water then put the immersion heater in the water and lastly turn the immersion heater on. After the water is hot unplug the heater and wait thirty seconds before removing it from the water.