Stainless steel heating tube: Made with stainless steel heating element, offering high hardness, good rust resistance, and heat resistance. Fast heating: 600W high power with a high-quality stainless steel heating tube for quick heating performance. Heats water rapidly, typically within 1 to 2 minutes. For safety, wait approximately 20 seconds after power disconnection before removing the heater from water. Easy to use: Designed for convenience with a clip attached to the side of the tube, allowing secure placement on the edge of a cup or container. Power cord: Features a 1-meter power cord constructed with copper wires, insulated with PVC material for high temperature and oxidation resistance. Compact and portable: Small and lightweight design ideal for heating water, coffee, or other beverages in cups or kettles at home, in the office, dormitory, or while traveling. Note: Slight variations of up to 3 cm may occur due to manual measurement. Color may vary slightly due to differences in monitor calibration. Please refer to product dimensions before ordering. Package includes: 1 immersion heater unit