Stainless steel heating tube: Made with stainless steel heating element, offering high hardness, excellent rust resistance, and good heat resistance. Fast heating: 600W high power delivers rapid heating performance. Equipped with a high-quality stainless steel tube, it quickly raises water temperature in approximately 1–2 minutes. After use, allow about 20 seconds for the unit to cool slightly before removal. Easy to use: Simple and convenient design includes a clip attached to the tube, allowing secure placement on the edge of a cup or container. Power cord: Features a 1-meter power cord constructed with copper wiring, insulated with PVC material for durability, high-temperature resistance, and protection against oxidation. Compact and portable: Lightweight and compact design makes it ideal for heating water, coffee, or 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 settings. Please refer to product dimensions before ordering. Package includes: 1 immersion heater unit