QUICK AND SAFE HEATING: Made of stainless steel, rust-resistant, high hardness, heat-resistant, and safe for healthy and clean water. Heats water quickly, bringing it to a boil in minutes for convenient use. Features strong copper wire for efficient heating and reliable performance. LIGHTWEIGHT AND PORTABLE: Compact size ideal for heating water or coffee in a mug or kettle. Lightweight, portable, and ergonomically designed, making it suitable for office or travel use. GREAT FOR TRAVEL: Portable electric immersion heater ideal for home, garden, office, or travel. Suitable for household, office, dormitory, or travel applications. HIGH POWER: 600W immersion water heater delivers fast heating with high efficiency and low energy consumption. Heats water in minutes for tea or coffee. 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.