Portable Electric Immersion Water Heater.

Function: It rapidly heats or boils water for hot drinks like tea or coffee, or for sterilizing/purifying water when traveling. Design: It typically features a durable stainless steel or chrome heating element (coil) and a plastic handle. Portability: The device is compact, lightweight, and easy to carry, making it ideal for home use or travel. Usage: To use, the user submerges the metal coil entirely in the liquid and plugs the unit into a power outlet. Safety Features: Many models include a thermal cut-out to prevent overheating and a spacer guard for added safety. Efficiency: It can boil a cup of water quickly, often in approximately 3-4 minutes on a 240V power source. Voltage: Some versions are dual voltage (110V/240V) for international use, although heating times may vary depending on the voltage.