Fast and safe heating: stainless steel, rust-resistant, high hardness, heat-resistant, safe, ensuring clean water. Heat with clean hot water and boiling water in minutes, which is very convenient to use Solid copper wire. This item is easy to heat and well protected portable: the medium size is ideal for heating water or coffee in a cup or kettle. Lightweight, portable and ergonomic, ideal for work or travel. Ideal for travelers ideal for travel: The submerged portable electric water heater is ideal for families, gardens, offices or travel. Ideal for families, offices, college dorms or travel High power: High power ensures rapid heating. The 600W submerged water heater has high working efficiency and low power consumption. It takes a few minutes to add hot water to tea or coffee easy to use: For best results, use only with glass, ceramic or stainless steel containers. Fill the container, place the hot soak liquid in the liquid and open the hot soak liquid. It's too easy.