QUICK AND SAFE HEATING: Made of stainless steel, rust-resistant, high hardness, heat-resistant, and safe for healthy and clean water. Heats water quickly, providing boiling water in minutes for convenient use. Features a strong copper wire for efficient heating and reliable performance. LIGHTWEIGHT AND PORTABLE: Compact size is ideal for heating water or coffee in a mug or kettle. Lightweight, portable, and ergonomically designed, making it suitable for office or travel use. IDEAL FOR TRAVEL: Portable electric immersion heater perfect for home, garden, office, or travel. Suitable for household, office, dormitory, or travel applications. HIGH POWER: 600W heating power ensures fast heating speed. Efficient performance with low energy consumption. Quickly heats water for tea or coffee in minutes. EASE OF USE: For best results, use only with glass, ceramic, or stainless steel containers. Fill container with water, submerge the heater fully, then turn on. Simple and straightforward operation.